US Bridges

Big Creek Road over Big Creek

Good

Valley County, Idaho · 3.6 S. Big Creek · Structure no. 000000000033888

Built
2014
11 years old
Condition
Good
inspected August 2021
Type
Stringer/Multi-beam or Girder
Steel
Length
51 ft
1 main span
Daily traffic
10
2023 count
Owner
County
County Highway Agency

About this bridge

Big Creek Road over Big Creek is a steel stringer/multi-beam or girder carrying Big Creek Road over Big Creek in Valley County, Idaho. It was built in 2014, so it is 11 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 10 vehicles a day, roughly 33% of them trucks, projected to reach 15 by 2039. The structure is 51 ft (15.5 m) long and 16 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

Location

Open in Google Maps
CarriesBig Creek Road
CrossesBig Creek
Location3.6 S. Big Creek
RouteCounty Highway 0
CountyValley County
StateIdaho
Coordinates45.08156, -115.33881
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection9 ExcellentNo problems noted.
Last inspectionAugust 2021
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating47.8 US tons
Inventory rating36.8 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckCorrugated steel
Main spans1
Design loadHL 93
Structure length51 ft (15.5 m)
Longest span49 ft (14.9 m)
Deck width16 ft (4.9 m)
Roadway width16 ft (4.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10 (2023)
Projected traffic15 by 2039
Trucks33%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed98.8 mi (159 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 Big Creek Road over Big Creek built?

It was built in 2014, making it 11 years old in 2025.

What condition is Big Creek Road over Big 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 2021.

How much traffic does Big Creek Road over Big Creek carry?

About 10 vehicles per day (2023 count), of which roughly 33% are trucks.

How long is Big Creek Road over Big Creek?

The structure is 51 ft (15.5 m) long with a longest span of 49 ft (14.9 m) and a deck 16 ft wide.

Who owns Big Creek Road over Big Creek?

It is owned by the County Highway Agency.