US Bridges

STC2722;3600 N. RD over Deep Creek

Fair

Twin Falls County, Idaho · 5.4 S 4.8 W Buhl · Structure no. 000000000025353

Built
1952
73 years old
Condition
Fair
inspected February 2023
Type
Frame
Concrete
Length
22 ft
1 main span
Daily traffic
310
2023 count
Owner
Local
Other Local Agency

About this bridge

STC2722;3600 N. RD over Deep Creek is a concrete frame carrying STC2722;3600 N. RD over Deep Creek in Twin Falls County, Idaho. It was built in 1952, so it is 73 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.

It carries about 310 vehicles a day, roughly 41% of them trucks, projected to reach 465 by 2042. The structure is 22 ft (6.6 m) long and 32 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesSTC2722;3600 N. RD
CrossesDeep Creek
Location5.4 S 4.8 W Buhl
RouteCounty Highway 2722
CountyTwin Falls County
StateIdaho
Coordinates42.52058, -114.85464
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
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 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 adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48 US tons
Inventory rating28 US tons

Structure

Structure typeFrame
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 15
Structure length22 ft (6.6 m)
Longest span22 ft (6.6 m)
Deck width32 ft (9.8 m)
Roadway width30 ft (9.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic310 (2023)
Projected traffic465 by 2042
Trucks41%
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

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$362,000 (2019 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was STC2722;3600 N. RD over Deep Creek built?

It was built in 1952, making it 73 years old in 2025.

What condition is STC2722;3600 N. RD over Deep 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 February 2023.

How much traffic does STC2722;3600 N. RD over Deep Creek carry?

About 310 vehicles per day (2023 count), of which roughly 41% are trucks.

How long is STC2722;3600 N. RD over Deep Creek?

The structure is 22 ft (6.6 m) long with a longest span of 22 ft (6.6 m) and a deck 32 ft wide.

Who owns STC2722;3600 N. RD over Deep Creek?

It is owned by the Other Local Agency.