US Bridges

I-91 NB & Ramp 136 over East Street

Fair

New Haven County, Connecticut · 1.2 MI N of I-95 · Structure no. 03090

Built
1965
60 years old
Condition
Fair
inspected June 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
105 ft
1 main span
Daily traffic
73,200
2022 count
Owner
State
State Highway Agency

About this bridge

I-91 NB & Ramp 136 over East Street is a steel stringer/multi-beam or girder carrying I-91 NB & Ramp 136 over East Street 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 73,200 vehicles a day, roughly 14% of them trucks, projected to reach 108,768 by 2042. The structure is 105 ft (32 m) long and 78 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesI-91 NB & Ramp 136
CrossesEast Street
Location1.2 MI N of I-95
RouteInterstate 91
Coordinates41.31441, -72.90916
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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2024
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 rating51.5 US tons
Inventory rating39.7 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length105 ft (32 m)
Longest span98 ft (29.9 m)
Deck width78 ft (23.9 m)
Roadway width75 ft (22.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic73,200 (2022)
Projected traffic108,768 by 2042
Trucks14%
Lanes on structure5
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 I-91 NB & Ramp 136 over East Street built?

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

What condition is I-91 NB & Ramp 136 over East Street 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 June 2024.

How much traffic does I-91 NB & Ramp 136 over East Street carry?

About 73,200 vehicles per day (2022 count), of which roughly 14% are trucks.

How long is I-91 NB & Ramp 136 over East Street?

The structure is 105 ft (32 m) long with a longest span of 98 ft (29.9 m) and a deck 78 ft wide.

Who owns I-91 NB & Ramp 136 over East Street?

It is owned by the State Highway Agency.