US Bridges

INTERSTATE-691 EB over Lewis Ave

Fair

New Haven County, Connecticut · 0.35 MI East of Rt 71 · Structure no. 02070

Built
1971
54 years old
Condition
Fair
inspected November 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
229 ft
3 main spans
Daily traffic
31,700
2021 count
Owner
State
State Highway Agency

About this bridge

INTERSTATE-691 EB over Lewis Ave is a steel stringer/multi-beam or girder carrying INTERSTATE-691 EB over Lewis Ave in New Haven County, Connecticut. It was built in 1971, so it is 54 years old, younger 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 31,700 vehicles a day, roughly 9% of them trucks, projected to reach 47,103 by 2041. The structure is 229 ft (69.8 m) long and 53 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesINTERSTATE-691 EB
CrossesLewis Ave
Location0.35 MI East of Rt 71
RouteInterstate 691
Coordinates41.54724, -72.80517
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.
Substructure7 GoodSome minor problems.
Last inspectionNovember 2023
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 rating47.5 US tons
Inventory rating36.4 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length229 ft (69.8 m)
Longest span79 ft (24.1 m)
Deck width53 ft (16.3 m)
Roadway width50 ft (15.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic31,700 (2021)
Projected traffic47,103 by 2041
Trucks9%
Lanes on structure3
Traffic directionOne-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-691 EB over Lewis Ave built?

It was built in 1971, making it 54 years old in 2025.

What condition is INTERSTATE-691 EB over Lewis Ave 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 2023.

How much traffic does INTERSTATE-691 EB over Lewis Ave carry?

About 31,700 vehicles per day (2021 count), of which roughly 9% are trucks.

How long is INTERSTATE-691 EB over Lewis Ave?

The structure is 229 ft (69.8 m) long with a longest span of 79 ft (24.1 m) and a deck 53 ft wide.

Who owns INTERSTATE-691 EB over Lewis Ave?

It is owned by the State Highway Agency.