US Bridges

North Wall Street over INTERSTATE-691

Fair

New Haven County, Connecticut · 0.4 Mile West of Route 15 · Structure no. 03044

Built
1965
60 years old
Condition
Fair
inspected May 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
183 ft
2 main spans
Daily traffic
3,300
2022 count
Owner
State
State Highway Agency

About this bridge

North Wall Street over INTERSTATE-691 is a steel continuous stringer/multi-beam or girder carrying North Wall Street over INTERSTATE-691 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 5 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 3,300 vehicles a day, roughly 5% of them trucks, projected to reach 4,903 by 2042. The structure is 183 ft (55.8 m) long and 40 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesNorth Wall Street
CrossesINTERSTATE-691
Location0.4 Mile West of Route 15
RouteCity Street 0
Coordinates41.54153, -72.77738
Functional classUrban Collector

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating51.8 US tons
Inventory rating40 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length183 ft (55.8 m)
Longest span89 ft (27.1 m)
Deck width40 ft (12.1 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,300 (2022)
Projected traffic4,903 by 2042
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

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 North Wall Street over INTERSTATE-691 built?

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

What condition is North Wall Street over INTERSTATE-691 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 May 2024.

How much traffic does North Wall Street over INTERSTATE-691 carry?

About 3,300 vehicles per day (2022 count), of which roughly 5% are trucks.

How long is North Wall Street over INTERSTATE-691?

The structure is 183 ft (55.8 m) long with a longest span of 89 ft (27.1 m) and a deck 40 ft wide.

Who owns North Wall Street over INTERSTATE-691?

It is owned by the State Highway Agency.