US Bridges

Long Gulch Road over Rattlesnake Creek

Good

Elmore County, Idaho · 4.9 N 5.2 W Prairie · Structure no. 000000000027847

Built
2018
7 years old
Condition
Good
inspected June 2023
Type
Slab
Wood or Timber
Length
28 ft
1 main span
Daily traffic
130
2023 count
Owner
County
County Highway Agency

About this bridge

Long Gulch Road over Rattlesnake Creek is a wood or timber slab carrying Long Gulch Road over Rattlesnake Creek in Elmore County, Idaho. It was built in 2018, so it is 7 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 130 vehicles a day, roughly 8% of them trucks, projected to reach 195 by 2042. The structure is 28 ft (8.5 m) long and 20 ft wide. If it were closed, the detour would be 47.8 mi (77 km).

Location

Open in Google Maps
CarriesLong Gulch Road
CrossesRattlesnake Creek
Location4.9 N 5.2 W Prairie
RouteCounty Highway 0
CountyElmore County
StateIdaho
Coordinates43.57425, -115.67817
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 protection9 ExcellentNo problems noted.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
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 alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating65 US tons
Inventory rating45 US tons

Structure

Structure typeSlab
MaterialWood or Timber
DeckWood or timber
Main spans1
Design loadHL 93
Structure length28 ft (8.5 m)
Longest span26 ft (8 m)
Deck width20 ft (6.1 m)
Roadway width18 ft (5.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic130 (2023)
Projected traffic195 by 2042
Trucks8%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed47.8 mi (77 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 Long Gulch Road over Rattlesnake Creek built?

It was built in 2018, making it 7 years old in 2025.

What condition is Long Gulch Road over Rattlesnake 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 June 2023.

How much traffic does Long Gulch Road over Rattlesnake Creek carry?

About 130 vehicles per day (2023 count), of which roughly 8% are trucks.

How long is Long Gulch Road over Rattlesnake Creek?

The structure is 28 ft (8.5 m) long with a longest span of 26 ft (8 m) and a deck 20 ft wide.

Who owns Long Gulch Road over Rattlesnake Creek?

It is owned by the County Highway Agency.