US Bridges

STC5695;RAMSEY RD over Bannock Creek

Fair

Power County, Idaho · 4.5N 10.6E American Falls · Structure no. 000000000023535

Built
1954
71 years old
Condition
Fair
inspected October 2024
Type
Tee Beam
Concrete
Length
52 ft
2 main spans
Daily traffic
150
2023 count
Owner
County
County Highway Agency

About this bridge

STC5695;RAMSEY RD over Bannock Creek is a concrete tee beam carrying STC5695;RAMSEY RD over Bannock Creek in Power County, Idaho. It was built in 1954, so it is 71 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 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 150 vehicles a day, roughly 36% of them trucks, projected to reach 225 by 2042. The structure is 52 ft (15.8 m) long and 27 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

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CarriesSTC5695;RAMSEY RD
CrossesBannock Creek
Location4.5N 10.6E American Falls
RouteCounty Highway 5695
CountyPower County
StateIdaho
Coordinates42.84828, -112.64631
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 protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating38 US tons
Inventory rating23 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length52 ft (15.8 m)
Longest span24 ft (7.3 m)
Deck width27 ft (8.1 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic150 (2023)
Projected traffic225 by 2042
Trucks36%
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

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 STC5695;RAMSEY RD over Bannock Creek built?

It was built in 1954, making it 71 years old in 2025.

What condition is STC5695;RAMSEY RD over Bannock 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 October 2024.

How much traffic does STC5695;RAMSEY RD over Bannock Creek carry?

About 150 vehicles per day (2023 count), of which roughly 36% are trucks.

How long is STC5695;RAMSEY RD over Bannock Creek?

The structure is 52 ft (15.8 m) long with a longest span of 24 ft (7.3 m) and a deck 27 ft wide.

Who owns STC5695;RAMSEY RD over Bannock Creek?

It is owned by the County Highway Agency.