US Bridges

INTERSTATE-91 NB over US 5 & AMTRAK & Ferry ST

Fair

New Haven County, Connecticut · 1.1 MI S of Route 17 · Structure no. 03021

Built
1964
61 years old, rebuilt 2016
Condition
Fair
inspected October 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
855 ft
3 main spans
Daily traffic
62,000
2022 count
Owner
State
State Highway Agency

About this bridge

INTERSTATE-91 NB over US 5 & AMTRAK & Ferry ST is a steel continuous stringer/multi-beam or girder carrying INTERSTATE-91 NB over US 5 & AMTRAK & Ferry ST in New Haven County, Connecticut. It was built in 1964 and reconstructed in 2016, so it is 61 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 62,000 vehicles a day, roughly 9% of them trucks, projected to reach 92,126 by 2042. The structure is 855 ft (260.5 m) long and 68 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesINTERSTATE-91 NB
CrossesUS 5 & AMTRAK & Ferry ST
Location1.1 MI S of Route 17
RouteInterstate 91
CountyNew Haven County
StateConnecticut
Coordinates41.31809, -72.89917
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 inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating52.1 US tons
Inventory rating40.3 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3 (+3 approach)
Design loadHS 20
Structure length855 ft (260.5 m)
Longest span225 ft (68.6 m)
Deck width68 ft (20.6 m)
Roadway width64 ft (19.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic62,000 (2022)
Projected traffic92,126 by 2042
Trucks9%
Lanes on structure4
Traffic directionOne-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 NB over US 5 & AMTRAK & Ferry ST built?

It was built in 1964, making it 61 years old in 2025. It was reconstructed in 2016.

What condition is INTERSTATE-91 NB over US 5 & AMTRAK & Ferry ST 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 October 2023.

How much traffic does INTERSTATE-91 NB over US 5 & AMTRAK & Ferry ST carry?

About 62,000 vehicles per day (2022 count), of which roughly 9% are trucks.

How long is INTERSTATE-91 NB over US 5 & AMTRAK & Ferry ST?

The structure is 855 ft (260.5 m) long with a longest span of 225 ft (68.6 m) and a deck 68 ft wide.

Who owns INTERSTATE-91 NB over US 5 & AMTRAK & Ferry ST?

It is owned by the State Highway Agency.