US Bridges

US 95 over Rapid River

Good

Idaho County, Idaho · 3.5 S. Riggins · Structure no. 000000000018316

Built
2005
20 years old
Condition
Good
inspected February 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
126 ft
1 main span
Daily traffic
2,600
2023 count
Owner
State
State Highway Agency

About this bridge

US 95 over Rapid River is a prestressed concrete stringer/multi-beam or girder carrying US 95 over Rapid River in Idaho County, Idaho. It was built in 2005, so it is 20 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 2,600 vehicles a day, roughly 20% of them trucks, projected to reach 3,900 by 2042. The structure is 126 ft (38.4 m) long and 51 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

CarriesUS 95
CrossesRapid River
Location3.5 S. Riggins
RouteU.S. Route 95
StateIdaho
Coordinates45.37368, -116.35688
Functional classRural Principal Arterial - Other

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 protection8 Very GoodNo problems noted.
Last inspectionFebruary 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating92 US tons
Inventory rating50 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length126 ft (38.4 m)
Longest span124 ft (37.8 m)
Deck width51 ft (15.6 m)
Roadway width49 ft (14.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,600 (2023)
Projected traffic3,900 by 2042
Trucks20%
Lanes on structure3
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed98.8 mi (159 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 US 95 over Rapid River built?

It was built in 2005, making it 20 years old in 2025.

What condition is US 95 over Rapid River 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 February 2024.

How much traffic does US 95 over Rapid River carry?

About 2,600 vehicles per day (2023 count), of which roughly 20% are trucks.

How long is US 95 over Rapid River?

The structure is 126 ft (38.4 m) long with a longest span of 124 ft (37.8 m) and a deck 51 ft wide.

Who owns US 95 over Rapid River?

It is owned by the State Highway Agency.