US Bridges

STC2768;5250 E. RD over Twin Falls Main Canal

Fair

Twin Falls County, Idaho · 2.1 N. 7.5 E. Murtaugh · Structure no. 000000000025361

Built
1992
33 years old
Condition
Fair
inspected February 2024
Type
Slab
Concrete Continuous
Length
250 ft
6 main spans
Daily traffic
360
2023 count
Owner
Local
Other Local Agency

About this bridge

STC2768;5250 E. RD over Twin Falls Main Canal is a concrete continuous slab carrying STC2768;5250 E. RD over Twin Falls Main Canal in Twin Falls County, Idaho. It was built in 1992, so it is 33 years old, younger than the Idaho average of 45.3 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 360 vehicles a day, roughly 9% of them trucks, projected to reach 540 by 2042. The structure is 250 ft (76.2 m) long and 34 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesSTC2768;5250 E. RD
CrossesTwin Falls Main Canal
Location2.1 N. 7.5 E. Murtaugh
RouteCounty Highway 2768
StateIdaho
Coordinates42.52111, -114.01778
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 protection7 GoodSome minor problems.
Last inspectionFebruary 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating65 US tons
Inventory rating39 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans6
Design loadHS 20
Structure length250 ft (76.2 m)
Longest span41 ft (12.6 m)
Deck width34 ft (10.3 m)
Roadway width31 ft (9.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic360 (2023)
Projected traffic540 by 2042
Trucks9%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerOther Local Agency
Maintained byOther Local Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was STC2768;5250 E. RD over Twin Falls Main Canal built?

It was built in 1992, making it 33 years old in 2025.

What condition is STC2768;5250 E. RD over Twin Falls Main Canal 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 February 2024.

How much traffic does STC2768;5250 E. RD over Twin Falls Main Canal carry?

About 360 vehicles per day (2023 count), of which roughly 9% are trucks.

How long is STC2768;5250 E. RD over Twin Falls Main Canal?

The structure is 250 ft (76.2 m) long with a longest span of 41 ft (12.6 m) and a deck 34 ft wide.

Who owns STC2768;5250 E. RD over Twin Falls Main Canal?

It is owned by the Other Local Agency.