US Bridges

INTERSTATE-91 over I-91 Ramps & AMTRAK

Fair

New Haven County, Connecticut · 0.8 MI N of I-95 · Structure no. 03086

Built
1965
60 years old
Condition
Fair
inspected March 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
233 ft
2 main spans
Daily traffic
130,500
2022 count
Owner
State
State Highway Agency

About this bridge

INTERSTATE-91 over I-91 Ramps & AMTRAK is a steel stringer/multi-beam or girder carrying INTERSTATE-91 over I-91 Ramps & AMTRAK in New Haven County, Connecticut. It was built in 1965, so it is 60 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 130,500 vehicles a day, roughly 9% of them trucks, projected to reach 193,910 by 2042. The structure is 233 ft (71 m) long and 139 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesINTERSTATE-91
CrossesI-91 Ramps & AMTRAK
Location0.8 MI N of I-95
RouteInterstate 91
CountyNew Haven County
StateConnecticut
Coordinates41.31118, -72.9142
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating31.4 US tons
Inventory rating23.9 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length233 ft (71 m)
Longest span133 ft (40.6 m)
Deck width139 ft (42.5 m)
Roadway width128 ft (39.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic130,500 (2022)
Projected traffic193,910 by 2042
Trucks9%
Lanes on structure9
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway and railroad
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-91 over I-91 Ramps & AMTRAK built?

It was built in 1965, making it 60 years old in 2025.

What condition is INTERSTATE-91 over I-91 Ramps & AMTRAK 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 March 2024.

How much traffic does INTERSTATE-91 over I-91 Ramps & AMTRAK carry?

About 130,500 vehicles per day (2022 count), of which roughly 9% are trucks.

How long is INTERSTATE-91 over I-91 Ramps & AMTRAK?

The structure is 233 ft (71 m) long with a longest span of 133 ft (40.6 m) and a deck 139 ft wide.

Who owns INTERSTATE-91 over I-91 Ramps & AMTRAK?

It is owned by the State Highway Agency.