US Bridges

3040: Rocky Canyon over Hawley Creek

Good

Lemhi County, Idaho · 8.4 MI E of ID28 N · Structure no. 0000000L2013535

Built
2013
12 years old
Condition
Good
inspected July 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
45 ft
1 main span
Daily traffic
35
2013 count
Owner
Federal
Bureau of Land Management

About this bridge

3040: Rocky Canyon over Hawley Creek is a steel stringer/multi-beam or girder carrying 3040: Rocky Canyon over Hawley Creek in Lemhi County, Idaho. It was built in 2013, so it is 12 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.

It carries about 35 vehicles a day, roughly 10% of them trucks, projected to reach 35 by 2040. The structure is 45 ft (13.7 m) long and 25 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

Carries3040: Rocky Canyon
CrossesHawley Creek
Location8.4 MI E of ID28 N
RouteFederal Lands Road 0
StateIdaho
Coordinates44.66033, -113.2055
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 inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating56.4 US tons
Inventory rating43.5 US tons

Structure

MaterialSteel
DeckCorrugated steel
Main spans1
Design loadHS 25 or greater
Structure length45 ft (13.7 m)
Longest span39 ft (11.9 m)
Deck width25 ft (7.5 m)
Roadway width24 ft (7.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic35 (2013)
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 3040: Rocky Canyon over Hawley Creek built?

It was built in 2013, making it 12 years old in 2025.

What condition is 3040: Rocky Canyon over Hawley 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 July 2023.

How much traffic does 3040: Rocky Canyon over Hawley Creek carry?

About 35 vehicles per day (2013 count), of which roughly 10% are trucks.

How long is 3040: Rocky Canyon over Hawley Creek?

The structure is 45 ft (13.7 m) long with a longest span of 39 ft (11.9 m) and a deck 25 ft wide.

Who owns 3040: Rocky Canyon over Hawley Creek?

It is owned by the Bureau of Land Management.