US Bridges

US Route 7 & RTE 4 over Housatonic Rv RR Locl RD

Fair

Litchfield County, Connecticut · Cornwall-Sharon Town-Line · Structure no. 00560

Built
1930
95 years old, rebuilt 1994
Condition
Fair
inspected February 2024
Type
Arch - Deck
Concrete
Length
674 ft
6 main spans
Daily traffic
3,800
2022 count
Owner
State
State Highway Agency

About this bridge

US Route 7 & RTE 4 over Housatonic Rv RR Locl RD is a concrete arch - deck carrying US Route 7 & RTE 4 over Housatonic Rv RR Locl RD in Litchfield County, Connecticut. It was built in 1930 and reconstructed in 1994, so it is 95 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 3,800 vehicles a day, roughly 5% of them trucks, projected to reach 5,646 by 2042. The structure is 674 ft (205.3 m) long and 36 ft wide. If it were closed, the detour would be 11.8 mi (19 km).

CarriesUS Route 7 & RTE 4
CrossesHousatonic Rv RR Locl RD
LocationCornwall-Sharon Town-Line
RouteU.S. Route 7
Coordinates41.81969, -73.3727
Functional classRural 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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating31.1 US tons
Inventory rating23.9 US tons

Structure

Structure typeArch - Deck
MaterialConcrete
DeckConcrete, cast-in-place
Main spans6 (+6 approach)
Design loadUnknown
Structure length674 ft (205.3 m)
Longest span192 ft (58.5 m)
Deck width36 ft (11.1 m)
Roadway width33 ft (10 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,800 (2022)
Projected traffic5,646 by 2042
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway, waterway and railroad
Detour if closed11.8 mi (19 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusPossibly eligible for the National Register; requires further investigation
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was US Route 7 & RTE 4 over Housatonic Rv RR Locl RD built?

It was built in 1930, making it 95 years old in 2025. It was reconstructed in 1994.

What condition is US Route 7 & RTE 4 over Housatonic Rv RR Locl RD 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 February 2024.

How much traffic does US Route 7 & RTE 4 over Housatonic Rv RR Locl RD carry?

About 3,800 vehicles per day (2022 count), of which roughly 5% are trucks.

How long is US Route 7 & RTE 4 over Housatonic Rv RR Locl RD?

The structure is 674 ft (205.3 m) long with a longest span of 192 ft (58.5 m) and a deck 36 ft wide.

Who owns US Route 7 & RTE 4 over Housatonic Rv RR Locl RD?

It is owned by the State Highway Agency.