US Bridges

Route 47 over Shepaug River

Good

Litchfield County, Connecticut · 2 Miles South of U.S. 202 · Structure no. 01007

Built
1929
96 years old, rebuilt 2012
Condition
Good
inspected March 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
80 ft
1 main span
Daily traffic
1,900
2020 count
Owner
State
State Highway Agency

About this bridge

Route 47 over Shepaug River is a prestressed concrete box beam or girders - multiple carrying Route 47 over Shepaug River in Litchfield County, Connecticut. It was built in 1929 and reconstructed in 2012, so it is 96 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 1,900 vehicles a day, roughly 6% of them trucks, projected to reach 2,823 by 2040. The structure is 80 ft (24.3 m) long and 35 ft wide. If it were closed, the detour would be 14.9 mi (24 km).

CarriesRoute 47
CrossesShepaug River
Location2 Miles South of U.S. 202
RouteState Highway 47
Coordinates41.65683, -73.31831
Functional classRural Major Collector

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 inspectionMarch 2023
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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating61.8 US tons
Inventory rating47.5 US tons

Structure

MaterialPrestressed Concrete
DeckOther
Main spans1
Design loadHL 93
Structure length80 ft (24.3 m)
Longest span76 ft (23.2 m)
Deck width35 ft (10.8 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,900 (2020)
Projected traffic2,823 by 2040
Trucks6%
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 Route 47 over Shepaug River built?

It was built in 1929, making it 96 years old in 2025. It was reconstructed in 2012.

What condition is Route 47 over Shepaug 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 March 2023.

How much traffic does Route 47 over Shepaug River carry?

About 1,900 vehicles per day (2020 count), of which roughly 6% are trucks.

How long is Route 47 over Shepaug River?

The structure is 80 ft (24.3 m) long with a longest span of 76 ft (23.2 m) and a deck 35 ft wide.

Who owns Route 47 over Shepaug River?

It is owned by the State Highway Agency.