US Bridges

Route 47 over Shepaug River

Fair

Litchfield County, Connecticut · 0.05 MI S of Route 109 · Structure no. 01006

Built
1958
67 years old
Condition
Fair
inspected April 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
167 ft
2 main spans
Daily traffic
3,200
2020 count
Owner
State
State Highway Agency

About this bridge

Route 47 over Shepaug River is a steel stringer/multi-beam or girder carrying Route 47 over Shepaug River in Litchfield County, Connecticut. It was built in 1958, so it is 67 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 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 3,200 vehicles a day, roughly 5% of them trucks, projected to reach 4,755 by 2040. The structure is 167 ft (50.9 m) long and 46 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesRoute 47
CrossesShepaug River
Location0.05 MI S of Route 109
RouteState Highway 47
Coordinates41.64308, -73.31667
Functional classRural Major Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
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 inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating28.9 US tons
Inventory rating22.2 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length167 ft (50.9 m)
Longest span80 ft (24.4 m)
Deck width46 ft (13.9 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,200 (2020)
Projected traffic4,755 by 2040
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 1958, making it 67 years old in 2025.

What condition is Route 47 over Shepaug 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 April 2023.

How much traffic does Route 47 over Shepaug River carry?

About 3,200 vehicles per day (2020 count), of which roughly 5% are trucks.

How long is Route 47 over Shepaug River?

The structure is 167 ft (50.9 m) long with a longest span of 80 ft (24.4 m) and a deck 46 ft wide.

Who owns Route 47 over Shepaug River?

It is owned by the State Highway Agency.