US Bridges

US Route 7 over Norwalk River

Fair

Fairfield County, Connecticut · 0.4 MI N of Route 107 · Structure no. 00533

Built
1957
68 years old
Condition
Fair
inspected March 2024
Type
Slab
Prestressed Concrete
Length
44 ft
1 main span
Daily traffic
18,800
2020 count
Owner
State
State Highway Agency

About this bridge

US Route 7 over Norwalk River is a prestressed concrete slab carrying US Route 7 over Norwalk River in Fairfield County, Connecticut. It was built in 1957, so it is 68 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 18,800 vehicles a day, roughly 6% of them trucks, projected to reach 27,935 by 2040. The structure is 44 ft (13.4 m) long and 46 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

Location

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CarriesUS Route 7
CrossesNorwalk River
Location0.4 MI N of Route 107
RouteU.S. Route 7
CountyFairfield County
StateConnecticut
Coordinates41.26074, -73.43621
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.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating39.2 US tons
Inventory rating30.3 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckOther
Main spans1
Design loadHS 20
Structure length44 ft (13.4 m)
Longest span40 ft (12.2 m)
Deck width46 ft (14.1 m)
Roadway width40 ft (12.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic18,800 (2020)
Projected traffic27,935 by 2040
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 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—
NavigationNo navigation control on waterway

Frequently asked questions

When was US Route 7 over Norwalk River built?

It was built in 1957, making it 68 years old in 2025.

What condition is US Route 7 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 March 2024.

How much traffic does US Route 7 over Norwalk River carry?

About 18,800 vehicles per day (2020 count), of which roughly 6% are trucks.

How long is US Route 7 over Norwalk River?

The structure is 44 ft (13.4 m) long with a longest span of 40 ft (12.2 m) and a deck 46 ft wide.

Who owns US Route 7 over Norwalk River?

It is owned by the State Highway Agency.