US Bridges

US Route 7 over Housatonic River

Good

Litchfield County, Connecticut · T.L. Canaan & Salisbury · Structure no. 00562

Built
1931
94 years old, rebuilt 2010
Condition
Good
inspected September 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
251 ft
1 main span
Daily traffic
3,400
2021 count
Owner
State
State Highway Agency

About this bridge

US Route 7 over Housatonic River is a steel stringer/multi-beam or girder carrying US Route 7 over Housatonic River in Litchfield County, Connecticut. It was built in 1931 and reconstructed in 2010, so it is 94 years old, older than the Connecticut average of 56.7 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 3,400 vehicles a day, roughly 5% of them trucks, projected to reach 5,052 by 2041. The structure is 251 ft (76.5 m) long and 54 ft wide. If it were closed, the detour would be 14.9 mi (24 km).

CarriesUS Route 7
CrossesHousatonic River
LocationT.L. Canaan & Salisbury
RouteU.S. Route 7
Coordinates41.93448, -73.36174
Functional classRural Minor Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating86.1 US tons
Inventory rating66.5 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length251 ft (76.5 m)
Longest span243 ft (74.1 m)
Deck width54 ft (16.5 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,400 (2021)
Projected traffic5,052 by 2041
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed14.9 mi (24 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 US Route 7 over Housatonic River built?

It was built in 1931, making it 94 years old in 2025. It was reconstructed in 2010.

What condition is US Route 7 over Housatonic River in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in September 2024.

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

About 3,400 vehicles per day (2021 count), of which roughly 5% are trucks.

How long is US Route 7 over Housatonic River?

The structure is 251 ft (76.5 m) long with a longest span of 243 ft (74.1 m) and a deck 54 ft wide.

Who owns US Route 7 over Housatonic River?

It is owned by the State Highway Agency.