US Bridges

North Avenue #1 over Route 15

Fair

Fairfield County, Connecticut · 1.1 MI W of Town Line · Structure no. 00732

Built
1939
86 years old, rebuilt 2016
Condition
Fair
inspected December 2023
Type
Frame
Concrete
Length
77 ft
1 main span
Daily traffic
9,660
2023 count
Owner
State
State Highway Agency

About this bridge

North Avenue #1 over Route 15 is a concrete frame carrying North Avenue #1 over Route 15 in Fairfield County, Connecticut. It was built in 1939 and reconstructed in 2016, so it is 86 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 9,660 vehicles a day, roughly 3% of them trucks, projected to reach 14,354 by 2043. The structure is 77 ft (23.6 m) long and 37 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesNorth Avenue #1
CrossesRoute 15
Location1.1 MI W of Town Line
RouteCity Street 0
CountyFairfield County
StateConnecticut
Coordinates41.16843, -73.3422
Functional classUrban Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure7 GoodSome minor problems.
Last inspectionDecember 2023
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 geometry2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment6: Equal to present minimum criteria
Operating rating49.3 US tons
Inventory rating39.2 US tons

Structure

Structure typeFrame
MaterialConcrete
DeckNot applicable
Main spans1
Design loadH 20
Structure length77 ft (23.6 m)
Longest span67 ft (20.4 m)
Deck width37 ft (11.2 m)
Roadway width26 ft (8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic9,660 (2023)
Projected traffic14,354 by 2043
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
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 North Avenue #1 over Route 15 built?

It was built in 1939, making it 86 years old in 2025. It was reconstructed in 2016.

What condition is North Avenue #1 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 December 2023.

How much traffic does North Avenue #1 over Route 15 carry?

About 9,660 vehicles per day (2023 count), of which roughly 3% are trucks.

How long is North Avenue #1 over Route 15?

The structure is 77 ft (23.6 m) long with a longest span of 67 ft (20.4 m) and a deck 37 ft wide.

Who owns North Avenue #1 over Route 15?

It is owned by the State Highway Agency.