US Bridges

Kings Pass RD over Prichard Creek

Fair

Shoshone County, Idaho · 0.1 S. 0.1 W. Murray · Structure no. 000000000030860

Built
1979
46 years old
Condition
Fair
inspected July 2023
Type
Tee Beam
Prestressed Concrete
Length
40 ft
1 main span
Daily traffic
70
2023 count
Owner
County
County Highway Agency

About this bridge

Kings Pass RD over Prichard Creek is a prestressed concrete tee beam carrying Kings Pass RD over Prichard Creek in Shoshone County, Idaho. It was built in 1979, so it is 46 years old, older than the Idaho average of 45.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 70 vehicles a day, roughly 17% of them trucks, projected to reach 105 by 2042. The structure is 40 ft (12.2 m) long and 27 ft wide. If it were closed, the detour would be 16.8 mi (27 km).

Location

Open in Google Maps
CarriesKings Pass RD
CrossesPrichard Creek
Location0.1 S. 0.1 W. Murray
RouteCounty Highway 0
CountyShoshone County
StateIdaho
Coordinates47.62583, -115.85928
Functional classRural Minor Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating55 US tons
Inventory rating27 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length40 ft (12.2 m)
Longest span39 ft (11.9 m)
Deck width27 ft (8.3 m)
Roadway width25 ft (7.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic70 (2023)
Projected traffic105 by 2042
Trucks17%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed16.8 mi (27 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 Kings Pass RD over Prichard Creek built?

It was built in 1979, making it 46 years old in 2025.

What condition is Kings Pass RD over Prichard Creek in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in July 2023.

How much traffic does Kings Pass RD over Prichard Creek carry?

About 70 vehicles per day (2023 count), of which roughly 17% are trucks.

How long is Kings Pass RD over Prichard Creek?

The structure is 40 ft (12.2 m) long with a longest span of 39 ft (11.9 m) and a deck 27 ft wide.

Who owns Kings Pass RD over Prichard Creek?

It is owned by the County Highway Agency.