US Bridges

Grove Street over Housatonic River

Poor

Litchfield County, Connecticut · 0.25 Mile East of Route 7 · Structure no. 03982

Built
1977
48 years old
Condition
Poor
inspected October 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
345 ft
3 main spans
Daily traffic
7,900
2020 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Grove Street over Housatonic River is a steel continuous stringer/multi-beam or girder carrying Grove Street over Housatonic River in Litchfield County, Connecticut. It was built in 1977, so it is 48 years old, younger than the Connecticut average of 56.7 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 7,900 vehicles a day, roughly 5% of them trucks, projected to reach 11,739 by 2040. The structure is 345 ft (105.3 m) long and 38 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesGrove Street
CrossesHousatonic River
Location0.25 Mile East of Route 7
RouteCity Street 0
Coordinates41.54451, -73.40737
Functional classUrban Collector

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be 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 alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating73 US tons
Inventory rating44 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length345 ft (105.3 m)
Longest span240 ft (73.2 m)
Deck width38 ft (11.5 m)
Roadway width34 ft (10.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,900 (2020)
Projected traffic11,739 by 2040
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerTown or Township Highway Agency
Maintained byTown or Township 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 Grove Street over Housatonic River built?

It was built in 1977, making it 48 years old in 2025.

What condition is Grove Street over Housatonic River in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in October 2024.

How much traffic does Grove Street over Housatonic River carry?

About 7,900 vehicles per day (2020 count), of which roughly 5% are trucks.

How long is Grove Street over Housatonic River?

The structure is 345 ft (105.3 m) long with a longest span of 240 ft (73.2 m) and a deck 38 ft wide.

Who owns Grove Street over Housatonic River?

It is owned by the Town or Township Highway Agency.