US Bridges

INTERSTATE-95 over Wepawaug River

Fair

New Haven County, Connecticut · 325 Ft S of Route 121 · Structure no. 00145

Built
1958
67 years old
Condition
Fair
inspected November 2024
Type
Culvert
Concrete Continuous
Length
51 ft
3 main spans
Daily traffic
130,100
2023 count
Owner
State
State Highway Agency

About this bridge

INTERSTATE-95 over Wepawaug River is a concrete continuous culvert carrying INTERSTATE-95 over Wepawaug River in New Haven County, Connecticut. It was built in 1958, so it is 67 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 130,100 vehicles a day, roughly 14% of them trucks, projected to reach 193,316 by 2043. The structure is 51 ft (15.5 m) long. If it were closed, the detour would be 1.2 mi (2 km).

CarriesINTERSTATE-95
CrossesWepawaug River
Location325 Ft S of Route 121
RouteInterstate 95
Coordinates41.2374, -73.05801
Functional classUrban Principal Arterial - Interstate

Condition and inspection

Fair

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

ComponentRatingMeaning
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating110.1 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans3
Design loadH 20
Structure length51 ft (15.5 m)
Longest span16 ft (4.9 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic130,100 (2023)
Projected traffic193,316 by 2043
Trucks14%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 INTERSTATE-95 over Wepawaug River built?

It was built in 1958, making it 67 years old in 2025.

What condition is INTERSTATE-95 over Wepawaug 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 November 2024.

How much traffic does INTERSTATE-95 over Wepawaug River carry?

About 130,100 vehicles per day (2023 count), of which roughly 14% are trucks.

How long is INTERSTATE-95 over Wepawaug River?

The structure is 51 ft (15.5 m) long with a longest span of 16 ft (4.9 m).

Who owns INTERSTATE-95 over Wepawaug River?

It is owned by the State Highway Agency.