US Bridges

Clinton Avenue over Route 15

Fair

Fairfield County, Connecticut · Rt 15 Between Exits 41&42 · Structure no. 00729

Built
1940
85 years old
Condition
Fair
inspected April 2024
Type
Frame
Steel
Length
103 ft
1 main span
Daily traffic
1,865
2022 count
Owner
State
State Highway Agency

About this bridge

Clinton Avenue over Route 15 is a steel frame carrying Clinton Avenue over Route 15 in Fairfield County, Connecticut. It was built in 1940, so it is 85 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 1,865 vehicles a day, roughly 4% of them trucks, projected to reach 2,771 by 2042. The structure is 103 ft (31.4 m) long and 36 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesClinton Avenue
CrossesRoute 15
LocationRt 15 Between Exits 41&42
RouteCity Street 0
CountyFairfield County
StateConnecticut
Coordinates41.16336, -73.3633
Functional classUrban Local

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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure7 GoodSome minor problems.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating107.1 US tons
Inventory rating82.9 US tons

Structure

Structure typeFrame
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadH 20
Structure length103 ft (31.4 m)
Longest span90 ft (27.3 m)
Deck width36 ft (11.1 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,865 (2022)
Projected traffic2,771 by 2042
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusListed on the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Clinton Avenue over Route 15 built?

It was built in 1940, making it 85 years old in 2025.

What condition is Clinton Avenue over Route 15 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 April 2024.

How much traffic does Clinton Avenue over Route 15 carry?

About 1,865 vehicles per day (2022 count), of which roughly 4% are trucks.

How long is Clinton Avenue over Route 15?

The structure is 103 ft (31.4 m) long with a longest span of 90 ft (27.3 m) and a deck 36 ft wide.

Who owns Clinton Avenue over Route 15?

It is owned by the State Highway Agency.