US Bridges

STC3906;WARREN Wgn over Dead Horse Creek

Good

Valley County, Idaho · 4.9 N Mccall · Structure no. 000000000020096

Built
2013
12 years old
Condition
Good
inspected August 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
40 ft
1 main span
Daily traffic
550
2023 count
Owner
County
County Highway Agency

About this bridge

STC3906;WARREN Wgn over Dead Horse Creek is a prestressed concrete box beam or girders - multiple carrying STC3906;WARREN Wgn over Dead Horse Creek in Valley 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 550 vehicles a day, roughly 2% of them trucks, projected to reach 825 by 2042. The structure is 40 ft (12.2 m) long and 32 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

CarriesSTC3906;WARREN Wgn
CrossesDead Horse Creek
Location4.9 N Mccall
RouteCounty Highway 3906
StateIdaho
Coordinates44.9805, -116.0755
Functional classRural Major Collector

Condition and inspection

Good

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

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection9 ExcellentNo problems noted.
Last inspectionAugust 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating63.6 US tons
Inventory rating48.9 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHL 93
Structure length40 ft (12.2 m)
Longest span39 ft (11.9 m)
Deck width32 ft (9.8 m)
Roadway width31 ft (9.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic550 (2023)
Projected traffic825 by 2042
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was STC3906;WARREN Wgn over Dead Horse Creek built?

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

What condition is STC3906;WARREN Wgn over Dead Horse 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 STC3906;WARREN Wgn over Dead Horse Creek carry?

About 550 vehicles per day (2023 count), of which roughly 2% are trucks.

How long is STC3906;WARREN Wgn over Dead Horse Creek?

The structure is 40 ft (12.2 m) long with a longest span of 39 ft (11.9 m) and a deck 32 ft wide.

Who owns STC3906;WARREN Wgn over Dead Horse Creek?

It is owned by the County Highway Agency.