US Bridges

Route 112 over Salmon Creek

Fair

Litchfield County, Connecticut · .55 MI W of US7 JCT · Structure no. 01317

Built
1930
95 years old, rebuilt 1986
Condition
Fair
inspected June 2023
Type
Tee Beam
Concrete
Length
43 ft
1 main span
Daily traffic
2,800
2020 count
Owner
State
State Highway Agency

About this bridge

Route 112 over Salmon Creek is a concrete tee beam carrying Route 112 over Salmon Creek in Litchfield County, Connecticut. It was built in 1930 and reconstructed in 1986, 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 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 2,800 vehicles a day, roughly 5% of them trucks, projected to reach 4,161 by 2040. The structure is 43 ft (13.1 m) long and 31 ft wide. If it were closed, the detour would be 16.2 mi (26 km).

CarriesRoute 112
CrossesSalmon Creek
Location.55 MI W of US7 JCT
RouteState Highway 112
Coordinates41.92961, -73.37422
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 protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating76.9 US tons
Inventory rating46 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadH 15
Structure length43 ft (13.1 m)
Longest span40 ft (12.2 m)
Deck width31 ft (9.3 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,800 (2020)
Projected traffic4,161 by 2040
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed16.2 mi (26 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 112 over Salmon Creek built?

It was built in 1930, making it 95 years old in 2025. It was reconstructed in 1986.

What condition is Route 112 over Salmon Creek 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 June 2023.

How much traffic does Route 112 over Salmon Creek carry?

About 2,800 vehicles per day (2020 count), of which roughly 5% are trucks.

How long is Route 112 over Salmon Creek?

The structure is 43 ft (13.1 m) long with a longest span of 40 ft (12.2 m) and a deck 31 ft wide.

Who owns Route 112 over Salmon Creek?

It is owned by the State Highway Agency.