US Bridges

Route 107 over Norwalk River

Fair

Fairfield County, Connecticut · 150 Ft S of Route 57 · Structure no. 01305

Built
1953
72 years old, rebuilt 1963
Condition
Fair
inspected August 2023
Type
Culvert
Concrete Continuous
Length
57 ft
4 main spans
Daily traffic
10,400
2020 count
Owner
State
State Highway Agency

About this bridge

Route 107 over Norwalk River is a concrete continuous culvert carrying Route 107 over Norwalk River in Fairfield County, Connecticut. It was built in 1953 and reconstructed in 1963, so it is 72 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 10,400 vehicles a day, roughly 6% of them trucks, projected to reach 15,453 by 2040. The structure is 57 ft (17.4 m) long. If it were closed, the detour would be 9.9 mi (16 km).

CarriesRoute 107
CrossesNorwalk River
Location150 Ft S of Route 57
RouteState Highway 107
Coordinates41.25743, -73.42868
Functional classUrban Minor 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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating110.1 US tons
Inventory rating110.1 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans4
Design loadHS 20
Structure length57 ft (17.4 m)
Longest span14 ft (4.3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10,400 (2020)
Projected traffic15,453 by 2040
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed9.9 mi (16 km)
TollOn a free road
National Highway SystemNo

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—
NavigationNo navigation control on waterway

Frequently asked questions

When was Route 107 over Norwalk River built?

It was built in 1953, making it 72 years old in 2025. It was reconstructed in 1963.

What condition is Route 107 over Norwalk River 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 August 2023.

How much traffic does Route 107 over Norwalk River carry?

About 10,400 vehicles per day (2020 count), of which roughly 6% are trucks.

How long is Route 107 over Norwalk River?

The structure is 57 ft (17.4 m) long with a longest span of 14 ft (4.3 m).

Who owns Route 107 over Norwalk River?

It is owned by the State Highway Agency.