MoDOT Underwater Bridge Inspections

A steel arch bridge spans a wide river under a partly cloudy sky, with green vegetation along the riverbank in the foreground.

Collins provides statewide underwater bridge inspection services for the Missouri Department of Transportation. Since 2008, Collins has inspected bridges throughout Missouri’s most challenging waterways, including the Mississippi River, Missouri River, and Lake of the Ozarks. Services include Level I and Level II underwater inspections, hydrographic surveys, sonar imaging, scour assessments, and detailed condition evaluations of […]

DuPage Countywide Bridge Inspections and On-Call Services

A concrete overpass crosses above railway tracks, with graffiti visible on the bridge supports and grass in the foreground.

Collins provides countywide bridge inspection and bridge program management services for the DuPage County Department of Transportation. As Consultant Program Manager, Collins performs NBIS, underwater, element-level, initial, and special inspections; prepares inspection reports and repair recommendations; conducts load ratings and scour evaluations; and delivers on-call structural engineering support. The program also includes inspections of pedestrian […]

City of Charlottesville Citywide Bridge Safety Inspections

A concrete and stone bridge crosses over a road with a leafless tree nearby; cars and traffic lights are visible in the background under a clear blue sky.

Collins was selected by the City of Charlottesville to provide citywide bridge safety inspection services for the 2026-2029 contract period. The work includes the structural inspection of approximately 28 VDOT-mandated bridges and 20-25 additional non-mandated structures throughout the city. Services include detailed inspections of bridge superstructures and substructures, hands-on evaluations of bearings and bearing seats, […]

TDOT Hurricane Helene Emergency Bridge Inspection Response

Aerial view of two parallel highways crossing over a river, surrounded by trees and grassy areas, with a vehicle on one road.

In the wake of Hurricane Helene, Collins was called upon by TDOT to perform emergency inspections of bridges throughout Region 1 in Eastern Tennessee. More than 300 bridges were flagged in BridgeWatch for post-event evaluation, and Collins completed assigned above-water, damage, and underwater inspections. Owner: Tennessee Department of Transportation Size: 122 above-water evaluations, 38 damage […]

VDOT Fredericksburg Highway and Bridge Inspections

An empty multi-lane highway with green exit signs overhead for Interstate 95 North and Business Route 17 toward Warrenton and Falmouth under a blue sky with some clouds.

Collins provides ancillary structural and bridge inspection services under VDOT’s Safety Inspections of Highway Structures and Bridges contract in the Fredericksburg District. The project sheet states Collins completed 429 ancillary structure inspections and 71 bridge inspections under 18 task assignments. Owner: Virginia Department of Transportation Size: 429 ancillary structure inspections and 71 bridge inspections under […]

VDOT Hampton Roads Bridge Inspections

A drawbridge over a river is raised. Workers on a platform perform maintenance on the bridge structure. The sky is partly cloudy.

As a subconsultant from 2016 to 2020, Collins provided professional engineering services for structural inspections and non-destructive evaluation of highway bridges and ancillary structures throughout VDOT’s Hampton Roads District. A separate project-win source states VDOT selected Collins for Hampton Roads structure and bridge inspections under a four-year contract. Owner: Virginia Department of Transportation Size: 107 […]

WYDOT Underwater Bridge Inspection

Two divers in full gear stand on a snow-covered frozen lake, holding a rope. Pipes and a guardrail are visible in the background under a cloudy sky.

Collins was selected by WYDOT to provide bridge inspection services for the On-System and Off-System Underwater Bridge Inspections contract. The source says this is Collins’ second consecutive win for the contract. Owner: Wyoming Department of Transportation Anticipated contract value: $800,000 Scope: Detailed inspections of bridge condition with focus on soundings, depths, and defect locations.

New Mexico Department of Transportation Statewide Bridge Inspection Services

Worker in safety gear inspects or repairs a bridge support high above a canyon, with rocky cliffs and a river visible below.

Owner New Mexico Department of Transportation Size of Project Statewide Scope of Work Initial, routine, in-depth, non-destructive testing, underwater, special, and damage inspections Load ratings Bridge inspection policies and procedures Finite element modeling Damage, critical finding, and scour evaluations

John Coffee Bridge Study

A long bridge with concrete supports across a wide body of water, with distant hills visible under a clear blue sky.

Owner: National Park Service   Scope of work: Concrete core sampling consisting of the extraction of a minimum of one core sample from the lower portion of each pier in the channel, below the waterline (36 piers anticipated to be in the water) Concrete core testing consisting of strength tests and concrete quality tests Engineering […]