US Bridges

West Main Street over Wepawaug River

Good

New Haven County, Connecticut · 0.3 MI N of Route 162 · Structure no. 04093

Built
1928
97 years old, rebuilt 1991
Condition
Good
inspected June 2022
Type
Slab
Prestressed Concrete
Length
53 ft
1 main span
Daily traffic
8,470
2022 count
Owner
City
City or Municipal Highway Agency

About this bridge

West Main Street over Wepawaug River is a prestressed concrete slab carrying West Main Street over Wepawaug River in New Haven County, Connecticut. It was built in 1928 and reconstructed in 1991, so it is 97 years old, older than the Connecticut average of 56.7 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 8,470 vehicles a day, roughly 5% of them trucks, projected to reach 12,586 by 2042. The structure is 53 ft (16.2 m) long and 36 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesWest Main Street
CrossesWepawaug River
Location0.3 MI N of Route 162
RouteCity Street 0
Coordinates41.22651, -73.05831
Functional classUrban Minor Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating43.2 US tons
Inventory rating33.6 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckOther
Main spans1
Design loadHS 20
Structure length53 ft (16.2 m)
Longest span45 ft (13.7 m)
Deck width36 ft (11.1 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,470 (2022)
Projected traffic12,586 by 2042
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was West Main Street over Wepawaug River built?

It was built in 1928, making it 97 years old in 2025. It was reconstructed in 1991.

What condition is West Main Street over Wepawaug River in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in June 2022.

How much traffic does West Main Street over Wepawaug River carry?

About 8,470 vehicles per day (2022 count), of which roughly 5% are trucks.

How long is West Main Street over Wepawaug River?

The structure is 53 ft (16.2 m) long with a longest span of 45 ft (13.7 m) and a deck 36 ft wide.

Who owns West Main Street over Wepawaug River?

It is owned by the City or Municipal Highway Agency.