US Bridges

2502: Lyons Bar over White Bird Creek

GoodPosted for load

Idaho County, Idaho · 0.5 MI W of US95 · Structure no. 000000000L59845

Built
2000
25 years old
Condition
Good
inspected August 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
73 ft
1 main span
Daily traffic
25
2011 count
Owner
Federal
Bureau of Land Management

About this bridge

2502: Lyons Bar over White Bird Creek is a steel stringer/multi-beam or girder carrying 2502: Lyons Bar over White Bird Creek in Idaho County, Idaho. It was built in 2000, so it is 25 years old, younger than the Idaho average of 45.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. Its operating status is: posted for load restriction.

It carries about 25 vehicles a day, roughly 10% of them trucks, projected to reach 35 by 2040. The structure is 73 ft (22.2 m) long and 14 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

Carries2502: Lyons Bar
CrossesWhite Bird Creek
Location0.5 MI W of US95
RouteFederal Lands Road 0
StateIdaho
Coordinates45.75417, -116.315
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations on dry land well above flood water elevations
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating36.8 US tons
Inventory rating28.2 US tons

Structure

MaterialSteel
DeckCorrugated steel
Main spans1
Design loadHS 20
Structure length73 ft (22.2 m)
Longest span69 ft (20.9 m)
Deck width14 ft (4.3 m)
Roadway width14 ft (4.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic25 (2011)
Projected traffic35 by 2040
Trucks10%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed123.7 mi (199 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerBureau of Land Management
Maintained byBureau of Land Management
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was 2502: Lyons Bar over White Bird Creek built?

It was built in 2000, making it 25 years old in 2025.

What condition is 2502: Lyons Bar over White Bird Creek in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in August 2023.

How much traffic does 2502: Lyons Bar over White Bird Creek carry?

About 25 vehicles per day (2011 count), of which roughly 10% are trucks.

How long is 2502: Lyons Bar over White Bird Creek?

The structure is 73 ft (22.2 m) long with a longest span of 69 ft (20.9 m) and a deck 14 ft wide.

Who owns 2502: Lyons Bar over White Bird Creek?

It is owned by the Bureau of Land Management.