US Bridges

No Man Road over Whitehawk Creek

Good

Valley County, Idaho · 6 MI Ese Deadwood Rsrvoir · Structure no. 040205000001094

Built
1978
47 years old
Condition
Good
inspected September 2020
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
28 ft
1 main span
Daily traffic
10
2018 count
Owner
Federal
U.S. Forest Service

About this bridge

No Man Road over Whitehawk Creek is a wood or timber stringer/multi-beam or girder carrying No Man Road over Whitehawk Creek in Valley County, Idaho. It was built in 1978, so it is 47 years old, older 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.

It carries about 10 vehicles a day, projected to reach 15 by 2045. The structure is 28 ft (8.5 m) long and 18 ft wide. If it were closed, the detour would be 98.2 mi (158 km).

CarriesNo Man Road
CrossesWhitehawk Creek
Location6 MI Ese Deadwood Rsrvoir
RouteFederal Lands Road 503
StateIdaho
Coordinates44.252, -115.548
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.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionSeptember 2020
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating51.8 US tons
Inventory rating40 US tons

Structure

MaterialWood or Timber
DeckWood or timber
Main spans1
Design loadHS 25 or greater
Structure length28 ft (8.5 m)
Longest span27 ft (8.2 m)
Deck width18 ft (5.5 m)
Roadway width17 ft (5.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10 (2018)
Projected traffic15 by 2045
Trucks—
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed98.2 mi (158 km)
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 No Man Road over Whitehawk Creek built?

It was built in 1978, making it 47 years old in 2025.

What condition is No Man Road over Whitehawk 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 September 2020.

How much traffic does No Man Road over Whitehawk Creek carry?

About 10 vehicles per day (2018 count).

How long is No Man Road over Whitehawk Creek?

The structure is 28 ft (8.5 m) long with a longest span of 27 ft (8.2 m) and a deck 18 ft wide.

Who owns No Man Road over Whitehawk Creek?

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