US Bridges

INTERSTATE-95 over Route 77

Fair

New Haven County, Connecticut · 0.5 MI N of US Route 1 · Structure no. 00205

Built
1958
67 years old, rebuilt 1995
Condition
Fair
inspected February 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
56 ft
1 main span
Daily traffic
53,600
2020 count
Owner
State
State Highway Agency

About this bridge

INTERSTATE-95 over Route 77 is a steel stringer/multi-beam or girder carrying INTERSTATE-95 over Route 77 in New Haven County, Connecticut. It was built in 1958 and reconstructed in 1995, 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 53,600 vehicles a day, roughly 9% of them trucks, projected to reach 79,644 by 2040. The structure is 56 ft (17.1 m) long and 104 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesINTERSTATE-95
CrossesRoute 77
Location0.5 MI N of US Route 1
RouteInterstate 95
Coordinates41.29541, -72.68703
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating87.5 US tons
Inventory rating52.6 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadH 20
Structure length56 ft (17.1 m)
Longest span51 ft (15.5 m)
Deck width104 ft (31.6 m)
Roadway width97 ft (29.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic53,600 (2020)
Projected traffic79,644 by 2040
Trucks9%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was INTERSTATE-95 over Route 77 built?

It was built in 1958, making it 67 years old in 2025. It was reconstructed in 1995.

What condition is INTERSTATE-95 over Route 77 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 INTERSTATE-95 over Route 77 carry?

About 53,600 vehicles per day (2020 count), of which roughly 9% are trucks.

How long is INTERSTATE-95 over Route 77?

The structure is 56 ft (17.1 m) long with a longest span of 51 ft (15.5 m) and a deck 104 ft wide.

Who owns INTERSTATE-95 over Route 77?

It is owned by the State Highway Agency.