US Bridges

US Route 1+SR 722 over Pequonnock River

Fair

Fairfield County, Connecticut · 0.2 MI E of Route 8 · Structure no. 03767

Built
1972
53 years old
Condition
Fair
inspected May 2024
Type
Culvert
Concrete Continuous
Length
54 ft
3 main spans
Daily traffic
38,100
2022 count
Owner
State
State Highway Agency

About this bridge

US Route 1+SR 722 over Pequonnock River is a concrete continuous culvert carrying US Route 1+SR 722 over Pequonnock River in Fairfield County, Connecticut. It was built in 1972, so it is 53 years old, younger 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 38,100 vehicles a day, roughly 6% of them trucks, projected to reach 56,613 by 2042. The structure is 54 ft (16.5 m) long. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesUS Route 1+SR 722
CrossesPequonnock River
Location0.2 MI E of Route 8
RouteU.S. Route 1
CountyFairfield County
StateConnecticut
Coordinates41.2031, -73.18921
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
Channel and channel protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating55.7 US tons
Inventory rating43.2 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans3
Design loadHS 20
Structure length54 ft (16.5 m)
Longest span17 ft (5.2 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic38,100 (2022)
Projected traffic56,613 by 2042
Trucks6%
Lanes on structure10
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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 1+SR 722 over Pequonnock River built?

It was built in 1972, making it 53 years old in 2025.

What condition is US Route 1+SR 722 over Pequonnock 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 May 2024.

How much traffic does US Route 1+SR 722 over Pequonnock River carry?

About 38,100 vehicles per day (2022 count), of which roughly 6% are trucks.

How long is US Route 1+SR 722 over Pequonnock River?

The structure is 54 ft (16.5 m) long with a longest span of 17 ft (5.2 m).

Who owns US Route 1+SR 722 over Pequonnock River?

It is owned by the State Highway Agency.