US Bridges

Road over Palisades Creek

Fair

Bonneville County, Idaho · No Data Entered · Structure no. 041504000001063

Built
1975
50 years old
Condition
Fair
inspected October 2023
Type
Tee Beam
Prestressed Concrete
Length
40 ft
1 main span
Daily traffic
50
Owner
Federal
U.S. Forest Service

About this bridge

Road over Palisades Creek is a prestressed concrete tee beam carrying Road over Palisades Creek in Bonneville County, Idaho. It was built in 1975, so it is 50 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 50 vehicles a day, projected to reach 75 by 2045. The structure is 40 ft (12.2 m) long and 24 ft wide.

Location

Open in Google Maps
CarriesRoad
CrossesPalisades Creek
LocationNo Data Entered
RouteFederal Lands Road 80255
CountyBonneville County
StateIdaho
Coordinates43.39649, -111.21531
Functional classRural Local

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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
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 alignment6: Equal to present minimum criteria
Operating rating27.4 US tons
Inventory rating19.6 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckOther
Main spans1
Design loadHS 20
Structure length40 ft (12.2 m)
Longest span39 ft (11.9 m)
Deck width24 ft (7.2 m)
Roadway width14 ft (4.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (—)
Projected traffic75 by 2045
Trucks—
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerU.S. Forest Service
Maintained byU.S. Forest Service
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Road over Palisades Creek built?

It was built in 1975, making it 50 years old in 2025.

What condition is Road over Palisades 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 2023.

How much traffic does Road over Palisades Creek carry?

About 50 vehicles per day (latest count).

How long is Road over Palisades Creek?

The structure is 40 ft (12.2 m) long with a longest span of 39 ft (11.9 m) and a deck 24 ft wide.

Who owns Road over Palisades Creek?

It is owned by the U.S. Forest Service.