US Bridges

STC2739;3800 E. RD over Lateral 10

FairPosted for load

Twin Falls County, Idaho · 1.4 N. 0.3 W. Hansen · Structure no. 000000000019455

Built
1920
105 years old, rebuilt 1940
Condition
Fair
inspected February 2024
Type
Slab
Concrete
Length
24 ft
1 main span
Daily traffic
2,900
2023 count
Owner
Local
Other Local Agency

About this bridge

STC2739;3800 E. RD over Lateral 10 is a concrete slab carrying STC2739;3800 E. RD over Lateral 10 in Twin Falls County, Idaho. It was built in 1920 and reconstructed in 1940, so it is 105 years old, older 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 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for load restriction.

It carries about 2,900 vehicles a day, roughly 8% of them trucks, projected to reach 4,350 by 2042. The structure is 24 ft (7.3 m) long and 34 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesSTC2739;3800 E. RD
CrossesLateral 10
Location1.4 N. 0.3 W. Hansen
RouteCounty Highway 2739
CountyTwin Falls County
StateIdaho
Coordinates42.54944, -114.30611
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.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating37 US tons
Inventory rating22 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadH 15
Structure length24 ft (7.3 m)
Longest span23 ft (7 m)
Deck width34 ft (10.3 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,900 (2023)
Projected traffic4,350 by 2042
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$458,000 (2018 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was STC2739;3800 E. RD over Lateral 10 built?

It was built in 1920, making it 105 years old in 2025. It was reconstructed in 1940.

What condition is STC2739;3800 E. RD over Lateral 10 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 STC2739;3800 E. RD over Lateral 10 carry?

About 2,900 vehicles per day (2023 count), of which roughly 8% are trucks.

How long is STC2739;3800 E. RD over Lateral 10?

The structure is 24 ft (7.3 m) long with a longest span of 23 ft (7 m) and a deck 34 ft wide.

Who owns STC2739;3800 E. RD over Lateral 10?

It is owned by the Other Local Agency.