US Bridges

INTERSTATE-91 SB over Stoddard Avenue

Fair

New Haven County, Connecticut · RT5 to Broadwy to Elm St. · Structure no. 03111

Built
1965
60 years old
Condition
Fair
inspected January 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
91 ft
1 main span
Daily traffic
45,400
2019 count
Owner
State
State Highway Agency

About this bridge

INTERSTATE-91 SB over Stoddard Avenue is a steel stringer/multi-beam or girder carrying INTERSTATE-91 SB over Stoddard Avenue 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 45,400 vehicles a day, roughly 9% of them trucks, projected to reach 67,460 by 2039. The structure is 91 ft (27.7 m) long and 55 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesINTERSTATE-91 SB
CrossesStoddard Avenue
LocationRT5 to Broadwy to Elm St.
RouteInterstate 91
CountyNew Haven County
StateConnecticut
Coordinates41.38604, -72.86624
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Last inspectionJanuary 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 rating110.1 US tons
Inventory rating66.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length91 ft (27.7 m)
Longest span86 ft (26.2 m)
Deck width55 ft (16.9 m)
Roadway width52 ft (15.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic45,400 (2019)
Projected traffic67,460 by 2039
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-91 SB over Stoddard Avenue built?

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

What condition is INTERSTATE-91 SB over Stoddard Avenue 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 January 2023.

How much traffic does INTERSTATE-91 SB over Stoddard Avenue carry?

About 45,400 vehicles per day (2019 count), of which roughly 9% are trucks.

How long is INTERSTATE-91 SB over Stoddard Avenue?

The structure is 91 ft (27.7 m) long with a longest span of 86 ft (26.2 m) and a deck 55 ft wide.

Who owns INTERSTATE-91 SB over Stoddard Avenue?

It is owned by the State Highway Agency.