US Bridges

Interstate 84 over Kohanza Street

Fair

Fairfield County, Connecticut · .4 MI West of Rt 39 · Structure no. 01185

Built
1962
63 years old, rebuilt 2015
Condition
Fair
inspected November 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
70 ft
1 main span
Daily traffic
108,000
2021 count
Owner
State
State Highway Agency

About this bridge

Interstate 84 over Kohanza Street is a steel stringer/multi-beam or girder carrying Interstate 84 over Kohanza Street in Fairfield County, Connecticut. It was built in 1962 and reconstructed in 2015, 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 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 108,000 vehicles a day, roughly 9% of them trucks, projected to reach 160,477 by 2041. The structure is 70 ft (21.3 m) long and 139 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesInterstate 84
CrossesKohanza Street
Location.4 MI West of Rt 39
RouteInterstate 84
Coordinates41.40155, -73.46716
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.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 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 rating74.6 US tons
Inventory rating57.5 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length70 ft (21.3 m)
Longest span66 ft (20.1 m)
Deck width139 ft (42.3 m)
Roadway width129 ft (39.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic108,000 (2021)
Projected traffic160,477 by 2041
Trucks9%
Lanes on structure7
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemYes

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 Kohanza Street built?

It was built in 1962, making it 63 years old in 2025. It was reconstructed in 2015.

What condition is Interstate 84 over Kohanza 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 November 2023.

How much traffic does Interstate 84 over Kohanza Street carry?

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

How long is Interstate 84 over Kohanza Street?

The structure is 70 ft (21.3 m) long with a longest span of 66 ft (20.1 m) and a deck 139 ft wide.

Who owns Interstate 84 over Kohanza Street?

It is owned by the State Highway Agency.