US Bridges

North Street over Route 15

Fair

Fairfield County, Connecticut · At Route 15 Exit 31 · Structure no. 00697

Built
1937
88 years old, rebuilt 1993
Condition
Fair
inspected November 2024
Type
Frame
Concrete
Length
83 ft
1 main span
Daily traffic
9,500
2023 count
Owner
State
State Highway Agency

About this bridge

North Street over Route 15 is a concrete frame carrying North Street over Route 15 in Fairfield County, Connecticut. It was built in 1937 and reconstructed in 1993, so it is 88 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 9,500 vehicles a day, roughly 2% of them trucks, projected to reach 14,116 by 2043. The structure is 83 ft (25.2 m) long and 56 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesNorth Street
CrossesRoute 15
LocationAt Route 15 Exit 31
RouteCity Street 0
Coordinates41.09451, -73.63237
Functional classUrban Other Principal Arterial

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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2024
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 alignment6: Equal to present minimum criteria
Operating rating35.1 US tons
Inventory rating27.1 US tons

Structure

Structure typeFrame
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length83 ft (25.2 m)
Longest span72 ft (21.8 m)
Deck width56 ft (17 m)
Roadway width49 ft (14.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic9,500 (2023)
Projected traffic14,116 by 2043
Trucks2%
Lanes on structure2
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 North Street over Route 15 built?

It was built in 1937, making it 88 years old in 2025. It was reconstructed in 1993.

What condition is North Street 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 November 2024.

How much traffic does North Street over Route 15 carry?

About 9,500 vehicles per day (2023 count), of which roughly 2% are trucks.

How long is North Street over Route 15?

The structure is 83 ft (25.2 m) long with a longest span of 72 ft (21.8 m) and a deck 56 ft wide.

Who owns North Street over Route 15?

It is owned by the State Highway Agency.