US Bridges

Larson Road over Jim Ford Cr;se Weippe Br

Good

Clearwater County, Idaho · 1.7 S. 1.0 E. Weippe · Structure no. 000000000029006

Built
2015
10 years old
Condition
Good
inspected June 2024
Type
Culvert
Aluminum, Wrought Iron, or Cast Iron
Length
24 ft
1 main span
Daily traffic
30
2023 count
Owner
Local
Other Local Agency

About this bridge

Larson Road over Jim Ford Cr;se Weippe Br is a aluminum, wrought iron, or cast iron culvert carrying Larson Road over Jim Ford Cr;se Weippe Br in Clearwater County, Idaho. It was built in 2015, so it is 10 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 30 vehicles a day, roughly 10% of them trucks, projected to reach 45 by 2039. The structure is 24 ft (7.3 m) long and 32 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesLarson Road
CrossesJim Ford Cr;se Weippe Br
Location1.7 S. 1.0 E. Weippe
RouteCounty Highway 0
StateIdaho
Coordinates46.35364, -115.91693
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
Channel and channel protection8 Very GoodNo problems noted.
Culvert8 Very GoodNo problems noted.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating72 US tons
Inventory rating43 US tons

Structure

Structure typeCulvert
MaterialAluminum, Wrought Iron, or Cast Iron
DeckNot applicable
Main spans1
Design loadHS 25 or greater
Structure length24 ft (7.3 m)
Longest span24 ft (7.3 m)
Deck width32 ft (9.8 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic30 (2023)
Projected traffic45 by 2039
Trucks10%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerOther Local Agency
Maintained byOther Local 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 Larson Road over Jim Ford Cr;se Weippe Br built?

It was built in 2015, making it 10 years old in 2025.

What condition is Larson Road over Jim Ford Cr;se Weippe Br 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 2024.

How much traffic does Larson Road over Jim Ford Cr;se Weippe Br carry?

About 30 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is Larson Road over Jim Ford Cr;se Weippe Br?

The structure is 24 ft (7.3 m) long with a longest span of 24 ft (7.3 m) and a deck 32 ft wide.

Who owns Larson Road over Jim Ford Cr;se Weippe Br?

It is owned by the Other Local Agency.