US Bridges

Nfd RD113;PRAIRIE over Pierce Creek

Fair

Elmore County, Idaho · 7 S. 0.8 E. Prairie · Structure no. 000000000027859

Built
2012
13 years old
Condition
Fair
inspected June 2022
Type
Stringer/Multi-beam or Girder
Steel
Length
30 ft
1 main span
Daily traffic
30
2023 count
Owner
County
County Highway Agency

About this bridge

Nfd RD113;PRAIRIE over Pierce Creek is a steel stringer/multi-beam or girder carrying Nfd RD113;PRAIRIE over Pierce Creek in Elmore County, Idaho. It was built in 2012, so it is 13 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 30 vehicles a day, roughly 50% of them trucks, projected to reach 45 by 2042. The structure is 30 ft (9.1 m) long and 27 ft wide. If it were closed, the detour would be 19.9 mi (32 km).

Location

Open in Google Maps
CarriesNfd RD113;PRAIRIE
CrossesPierce Creek
Location7 S. 0.8 E. Prairie
RouteCounty Highway 0
CountyElmore County
StateIdaho
Coordinates43.40309, -115.56042
Functional classRural Minor 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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure9 ExcellentNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJune 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating50.4 US tons
Inventory rating38.9 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckCorrugated steel
Main spans1
Design loadHL 93
Structure length30 ft (9.1 m)
Longest span28 ft (8.5 m)
Deck width27 ft (8.2 m)
Roadway width27 ft (8.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic30 (2023)
Projected traffic45 by 2042
Trucks50%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed19.9 mi (32 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway 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 Nfd RD113;PRAIRIE over Pierce Creek built?

It was built in 2012, making it 13 years old in 2025.

What condition is Nfd RD113;PRAIRIE over Pierce 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 2022.

How much traffic does Nfd RD113;PRAIRIE over Pierce Creek carry?

About 30 vehicles per day (2023 count), of which roughly 50% are trucks.

How long is Nfd RD113;PRAIRIE over Pierce Creek?

The structure is 30 ft (9.1 m) long with a longest span of 28 ft (8.5 m) and a deck 27 ft wide.

Who owns Nfd RD113;PRAIRIE over Pierce Creek?

It is owned by the County Highway Agency.