US Bridges

State Line Hill RD over Sandy Brook

Fair

Litchfield County, Connecticut · At Route 183 · Structure no. 05208

Built
1956
69 years old
Condition
Fair
inspected May 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
57 ft
1 main span
Daily traffic
67
2023 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

State Line Hill RD over Sandy Brook is a steel stringer/multi-beam or girder carrying State Line Hill RD over Sandy Brook in Litchfield County, Connecticut. It was built in 1956, so it is 69 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 67 vehicles a day, projected to reach 100 by 2043. The structure is 57 ft (17.4 m) long and 22 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesState Line Hill RD
CrossesSandy Brook
LocationAt Route 183
RouteCity Street 0
CountyLitchfield County
StateConnecticut
Coordinates42.04026, -73.1322
Functional classRural Local

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 protection7 GoodSome minor problems.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating91.9 US tons
Inventory rating55 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length57 ft (17.4 m)
Longest span52 ft (15.9 m)
Deck width22 ft (6.6 m)
Roadway width18 ft (5.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic67 (2023)
Projected traffic100 by 2043
Trucks—
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

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 State Line Hill RD over Sandy Brook built?

It was built in 1956, making it 69 years old in 2025.

What condition is State Line Hill RD over Sandy Brook 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 May 2023.

How much traffic does State Line Hill RD over Sandy Brook carry?

About 67 vehicles per day (2023 count).

How long is State Line Hill RD over Sandy Brook?

The structure is 57 ft (17.4 m) long with a longest span of 52 ft (15.9 m) and a deck 22 ft wide.

Who owns State Line Hill RD over Sandy Brook?

It is owned by the Town or Township Highway Agency.