US Bridges

Route 157 over Coginchaug River

Fair

Middlesex County, Connecticut · At Middletown Town Line · Structure no. 05784

Built
1936
89 years old, rebuilt 1989
Condition
Fair
inspected February 2024
Type
Slab
Prestressed Concrete
Length
43 ft
1 main span
Daily traffic
2,400
2022 count
Owner
State
State Highway Agency

About this bridge

Route 157 over Coginchaug River is a prestressed concrete slab carrying Route 157 over Coginchaug River in Middlesex County, Connecticut. It was built in 1936 and reconstructed in 1989, so it is 89 years old, older than the Connecticut average of 56.7 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 2,400 vehicles a day, roughly 3% of them trucks, projected to reach 3,566 by 2042. The structure is 43 ft (13.1 m) long and 45 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesRoute 157
CrossesCoginchaug River
LocationAt Middletown Town Line
RouteState Highway 157
Coordinates41.53604, -72.68742
Functional classUrban Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating93.4 US tons
Inventory rating55.9 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckOther
Main spans1
Design loadHS 20
Structure length43 ft (13.1 m)
Longest span39 ft (11.9 m)
Deck width45 ft (13.6 m)
Roadway width41 ft (12.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,400 (2022)
Projected traffic3,566 by 2042
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Route 157 over Coginchaug River built?

It was built in 1936, making it 89 years old in 2025. It was reconstructed in 1989.

What condition is Route 157 over Coginchaug River in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in February 2024.

How much traffic does Route 157 over Coginchaug River carry?

About 2,400 vehicles per day (2022 count), of which roughly 3% are trucks.

How long is Route 157 over Coginchaug River?

The structure is 43 ft (13.1 m) long with a longest span of 39 ft (11.9 m) and a deck 45 ft wide.

Who owns Route 157 over Coginchaug River?

It is owned by the State Highway Agency.