US Bridges

Interstate 84 over Starr Avenue

Fair

Fairfield County, Connecticut · 0.3 MI West Route 39 · Structure no. 01186

Built
1962
63 years old, rebuilt 1988
Condition
Fair
inspected December 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
63 ft
1 main span
Daily traffic
108,000
2021 count
Owner
State
State Highway Agency

About this bridge

Interstate 84 over Starr Avenue is a steel stringer/multi-beam or girder carrying Interstate 84 over Starr Avenue in Fairfield County, Connecticut. It was built in 1962 and reconstructed in 1988, so it is 63 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 108,000 vehicles a day, roughly 9% of them trucks, projected to reach 160,477 by 2041. The structure is 63 ft (19.2 m) long and 156 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesInterstate 84
CrossesStarr Avenue
Location0.3 MI West Route 39
RouteInterstate 84
Coordinates41.40249, -73.46451
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating63.6 US tons
Inventory rating48.9 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length63 ft (19.2 m)
Longest span58 ft (17.7 m)
Deck width156 ft (47.7 m)
Roadway width143 ft (43.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic108,000 (2021)
Projected traffic160,477 by 2041
Trucks9%
Lanes on structure8
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.9 mi (3 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 84 over Starr Avenue built?

It was built in 1962, making it 63 years old in 2025. It was reconstructed in 1988.

What condition is Interstate 84 over Starr 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 December 2023.

How much traffic does Interstate 84 over Starr Avenue carry?

About 108,000 vehicles per day (2021 count), of which roughly 9% are trucks.

How long is Interstate 84 over Starr Avenue?

The structure is 63 ft (19.2 m) long with a longest span of 58 ft (17.7 m) and a deck 156 ft wide.

Who owns Interstate 84 over Starr Avenue?

It is owned by the State Highway Agency.