US Bridges

Route 112 over Salmon Creek

Fair

Litchfield County, Connecticut · Intersect White Hollow RD · Structure no. 01316

Built
1958
67 years old
Condition
Fair
inspected June 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
148 ft
2 main spans
Daily traffic
3,300
2021 count
Owner
State
State Highway Agency

About this bridge

Route 112 over Salmon Creek is a steel stringer/multi-beam or girder carrying Route 112 over Salmon Creek 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 5 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 3,300 vehicles a day, roughly 5% of them trucks, projected to reach 4,903 by 2041. The structure is 148 ft (45.2 m) long and 49 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

CarriesRoute 112
CrossesSalmon Creek
LocationIntersect White Hollow RD
RouteState Highway 112
Coordinates41.93424, -73.39087
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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating89.9 US tons
Inventory rating54 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length148 ft (45.2 m)
Longest span68 ft (20.7 m)
Deck width49 ft (14.8 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,300 (2021)
Projected traffic4,903 by 2041
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed9.9 mi (16 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 1958, making it 67 years old in 2025.

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 3,300 vehicles per day (2021 count), of which roughly 5% are trucks.

How long is Route 112 over Salmon Creek?

The structure is 148 ft (45.2 m) long with a longest span of 68 ft (20.7 m) and a deck 49 ft wide.

Who owns Route 112 over Salmon Creek?

It is owned by the State Highway Agency.