Overview
Street and bridge builders deliver combined transportation projects that join roadway construction with the structures along it, building streets, intersections, curbs, and drainage while also constructing culverts, retaining walls, overpasses, and short-span bridges. Crews move between grading and paving operations and structural work like forming abutments, setting beams, and pouring decks, often on the same bonded municipal contract. Because the work mixes live-traffic roadway hazards with crane lifts and elevated structural work, and because public owners impose bonding, traffic-control, and acceptance requirements, these builders carry a layered exposure that insurance should be structured to cover across both disciplines.
Part of our construction & contractors insurance guidance.
Risk profile
Street and bridge work blends two demanding risk profiles. On the roadway side, crews face motorist intrusion, struck-by, and hot-asphalt or concrete hazards in active traffic zones, plus utility conflicts and drainage work. On the structural side, forming abutments, setting beams, and pouring decks add fall, crane-lift, and falsework exposure, along with builders risk for the structures while they are under construction. Drainage, culvert, and earthwork operations raise sediment and pollution concerns, and the equipment fleet spans pavers, excavators, and cranes. With bonded public contracts carrying liquidated damages and broad indemnity, the appropriate coverage program must span both road and structure exposures.
Common risks
Motorist intrusion in roadway zones
Street work in live traffic exposes crews and flaggers to vehicles entering the work zone, a leading cause of severe injury.
Falls and crane lifts on structures
Forming abutments, setting beams, and pouring decks add fall and dropped-load exposure not present in plain street work.
Falsework and formwork failure
Temporary shoring for culverts, walls, and short spans can fail, causing collapse and injury before the structure is complete.
Damage to structures under construction
Overpasses, walls, and bridge spans can be damaged by storm, flood, or accident before completion and acceptance.
Utility conflicts and drainage work
Street and culvert excavation can strike buried utilities or disturb drainage, causing third-party damage and pollution exposure.
Mixed equipment fleet exposure
Pavers, excavators, and cranes used across road and structure work are valuable and exposed to damage and theft.
Bonded delay and acceptance failures
Liquidated damages and roadway or structural acceptance testing create contractual and completed-operations exposure.
Recommended coverages
Coverages commonly relevant to street and bridge builder operations. Not every business needs the same policies.
Operational Coverage
Employee-Related Coverage
Contractual Coverage
Why tailored insurance matters
Because these builders run roadway and structural work side by side, a program built only for paving or only for bridges leaves gaps. Coverage should reflect the balance between street and structure scopes, whether you self-perform crane work and decks or sublet them, the value of a mixed equipment fleet, and the bonding and traffic-control terms public owners require. Since work-zone, falsework, and builders risk losses can each be significant, coverage depends on the specific policy, endorsements, exclusions, and facts, and not every builder needs the same policies.
Hypothetical claim examples
Beam set goes wrong over a street
A beam shifts during placement on an overpass and damages roadway equipment below, injuring a worker. Liability and workers' compensation may respond depending on policy terms and the facts.
Culvert formwork fails
Shoring for a box culvert fails during a pour and the work collapses overnight. A builders risk policy may respond to covered damage, subject to policy terms and exclusions.
Work-zone collision on the street
A motorist enters the active street work zone and strikes equipment and a crew member. Liability and workers' compensation may respond depending on policy terms and the facts of the loss.
Hypothetical scenarios for illustration only. Coverage depends on the specific policy, endorsements, exclusions, and facts of each claim.
What affects insurance cost
- Annual revenue and street-to-structure work balance
- Self-performed crane and structural work
- Value of pavers, excavators, and cranes
- Amount of live-traffic roadway work
- Bonding requirements and public owners served
- Annual payroll and crew headcount
- Claims history and traffic-control practices
How much does it cost?
There is no single price for street and bridge builder insurance — it depends on which of these coverages you carry and the specifics of your business. As a rough guide, here are general national averages for the coverages this business commonly needs.
- $500–$1,500 per year for many small businesses
- $500–$3,000 per year, driven largely by payroll and job class codes
- 1%–4% of construction cost for the project term
- $300–$1,000 per year for many small businesses
- $1,500–$3,000 per vehicle per year
- 1%–3% of the bond amount per year for many qualified businesses
- $400–$1,500 per year per $1M of additional limit
These are general national averages shown for comparison only — not a quote. Actual premiums vary widely with underwriting and depend on the factors above and the specifics of your business, including size, revenue, location, claims history, and the limits you choose. See how we estimate costs.
Coverage considerations
- Set builders risk to the structures' exposed value
- Confirm how live-traffic work zones are treated
- Match equipment limits across the mixed fleet
- Review falsework and structural-collapse terms
- Align bonding capacity with municipal contracts
Common underwriting considerations
When insurers review a street and bridge builder business, they commonly evaluate factors like these. This is educational information — nothing here is collected or submitted.
- Trades performed and the share of higher-risk work such as roofing or structural
- Annual revenue, payroll, and typical project size
- Use of subcontractors and the certificates and agreements collected from them
- Years in business, licensing, and claims history
- Heights worked, depths excavated, and safety programs in place
- Vehicle and equipment fleets and who operates them
Common contractual insurance requirements
Contracts, leases, and licenses in this industry commonly impose insurance requirements such as these. Always review the specific wording in your own agreements.
- Construction contracts routinely require additional-insured status, primary-and-noncontributory wording, and waivers of subrogation
- Project owners and GCs set minimum general liability, auto, and umbrella limits
- Completed-operations coverage is commonly required for years after project close-out
- Public work frequently requires bid, performance, and payment bonds
- Certificates of insurance are required before mobilizing on nearly every job
Common coverage mistakes
Mistakes businesses in this industry commonly make when arranging coverage — worth reviewing before you buy or renew.
- Starting work before contract insurance requirements are met
- Using uninsured subcontractors and absorbing their losses at audit or claim time
- Assuming tools and equipment are covered away from the shop without inland marine
- Overlooking completed-operations exposure after a project is finished
- Misclassifying payroll and facing large premium-audit adjustments
Frequently asked questions
Why combine street and bridge coverage?
These projects mix roadway and structural hazards, so coverage has to address both. A program built for only one discipline can leave gaps, and the right mix depends on your scope and policy terms.
Is builders risk needed for small structures?
Culverts, walls, and short spans can be damaged before acceptance. Builders risk may help with that exposure, and limits should track the exposed value of the structures.
How is work-zone injury addressed?
Motorist intrusion is a leading roadway hazard. Workers' compensation and liability respond to many of those losses, and excess limits are commonly considered, depending on policy terms.
Is my mixed equipment fleet covered?
Contractors equipment, written as inland marine, may help with damage or theft to pavers, excavators, and cranes. Coverage depends on the limits you select and policy terms.
Are bonds required for these projects?
Municipal street and bridge contracts commonly require performance and payment bonds. Surety capacity depends on your financials and underwriting.
How is street and bridge builder insurance priced?
Pricing commonly reflects revenue, the street-to-structure balance, equipment, work-zone exposure, bonding, payroll, and claims history. A tailored quote reflects how your firm operates.
How do I get a quote?
Call The Southern Agency at 1-800-777-1872 or request a quote online for guidance tailored to your street and bridge builder business.