US Bridges

Adams Ck RD 50025 over Mann Creek

Fair

Washington County, Idaho · No Data Entered · Structure no. 041202000001002

Built
1953
72 years old, rebuilt 1974
Condition
Fair
inspected September 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
30 ft
1 main span
Daily traffic
50
Owner
Federal
U.S. Forest Service

About this bridge

Adams Ck RD 50025 over Mann Creek is a steel stringer/multi-beam or girder carrying Adams Ck RD 50025 over Mann Creek in Washington County, Idaho. It was built in 1953 and reconstructed in 1974, so it is 72 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 30 ft (9.1 m) long and 14 ft wide.

CarriesAdams Ck RD 50025
CrossesMann Creek
LocationNo Data Entered
RouteFederal Lands Road 50002
StateIdaho
Coordinates44.48492, -116.93605
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 protection7 GoodSome minor problems.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation*: *
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating—
Inventory rating—

Structure

MaterialSteel
DeckCorrugated steel
Main spans1
Design loadOther
Structure length30 ft (9.1 m)
Longest span21 ft (6.3 m)
Deck width14 ft (4.3 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 Adams Ck RD 50025 over Mann Creek built?

It was built in 1953, making it 72 years old in 2025. It was reconstructed in 1974.

What condition is Adams Ck RD 50025 over Mann 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 September 2024.

How much traffic does Adams Ck RD 50025 over Mann Creek carry?

About 50 vehicles per day (latest count).

How long is Adams Ck RD 50025 over Mann Creek?

The structure is 30 ft (9.1 m) long with a longest span of 21 ft (6.3 m) and a deck 14 ft wide.

Who owns Adams Ck RD 50025 over Mann Creek?

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