US Bridges

Fdr over Fourth of July Creek

Good

Custer County, Idaho · 5 Miles UP 4th of July RD · Structure no. 041403000001055

Built
1992
33 years old
Condition
Good
inspected October 2024
Type
Slab
Wood or Timber
Length
24 ft
1 main span
Daily traffic
100
Owner
Federal
U.S. Forest Service

About this bridge

Fdr over Fourth of July Creek is a wood or timber slab carrying Fdr over Fourth of July Creek in Custer County, Idaho. It was built in 1992, so it is 33 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 100 vehicles a day, roughly 5% of them trucks, projected to reach 150 by 2045. The structure is 24 ft (7.3 m) long and 16 ft wide.

CarriesFdr
CrossesFourth of July Creek
Location5 Miles UP 4th of July RD
RouteFederal Lands Road 70209
StateIdaho
Coordinates44.04099, -114.75825
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 protection8 Very GoodNo problems noted.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating55.7 US tons
Inventory rating43.2 US tons

Structure

Structure typeSlab
MaterialWood or Timber
DeckWood or timber
Main spans1
Design loadHS 20
Structure length24 ft (7.3 m)
Longest span23 ft (7 m)
Deck width16 ft (4.9 m)
Roadway width14 ft (4.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (—)
Projected traffic150 by 2045
Trucks5%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerU.S. Forest Service
Maintained byU.S. Forest Service
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Fdr over Fourth of July Creek built?

It was built in 1992, making it 33 years old in 2025.

What condition is Fdr over Fourth of July 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 October 2024.

How much traffic does Fdr over Fourth of July Creek carry?

About 100 vehicles per day (latest count), of which roughly 5% are trucks.

How long is Fdr over Fourth of July Creek?

The structure is 24 ft (7.3 m) long with a longest span of 23 ft (7 m) and a deck 16 ft wide.

Who owns Fdr over Fourth of July Creek?

It is owned by the U.S. Forest Service.