US Bridges

3708: Deep Creek over Deep Creek

Good

Owyhee County, Idaho · 47.1 MI S of ID78 · Structure no. 000000000L59864

Built
1983
42 years old
Condition
Good
inspected August 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
28 ft
1 main span
Daily traffic
25
2011 count
Owner
Federal
Bureau of Land Management

About this bridge

3708: Deep Creek over Deep Creek is a steel stringer/multi-beam or girder carrying 3708: Deep Creek over Deep Creek in Owyhee County, Idaho. It was built in 1983, so it is 42 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 25 vehicles a day, roughly 10% of them trucks, projected to reach 35 by 2040. The structure is 28 ft (8.4 m) long and 16 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

Carries3708: Deep Creek
CrossesDeep Creek
Location47.1 MI S of ID78
RouteFederal Lands Road 0
StateIdaho
Coordinates42.58139, -116.67611
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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionAugust 2024
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 geometry8: Equal to present desirable criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating40.7 US tons
Inventory rating31.4 US tons

Structure

MaterialSteel
DeckCorrugated steel
Main spans1
Design loadHS 20
Structure length28 ft (8.4 m)
Longest span24 ft (7.4 m)
Deck width16 ft (4.8 m)
Roadway width16 ft (4.8 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 3708: Deep Creek over Deep Creek built?

It was built in 1983, making it 42 years old in 2025.

What condition is 3708: Deep Creek over Deep 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 2024.

How much traffic does 3708: Deep Creek over Deep Creek carry?

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

How long is 3708: Deep Creek over Deep Creek?

The structure is 28 ft (8.4 m) long with a longest span of 24 ft (7.4 m) and a deck 16 ft wide.

Who owns 3708: Deep Creek over Deep Creek?

It is owned by the Bureau of Land Management.