US Bridges

Cda River RD over Prichard Cr;prichard Br

Fair

Shoshone County, Idaho · 0.2 N. Prichard · Structure no. 000000000030865

Built
1953
72 years old
Condition
Fair
inspected July 2023
Type
Tee Beam
Concrete
Length
71 ft
1 main span
Daily traffic
450
2023 count
Owner
County
County Highway Agency

About this bridge

Cda River RD over Prichard Cr;prichard Br is a concrete tee beam carrying Cda River RD over Prichard Cr;prichard Br in Shoshone County, Idaho. It was built in 1953, so it is 72 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 450 vehicles a day, roughly 10% of them trucks, projected to reach 675 by 2042. The structure is 71 ft (21.6 m) long and 29 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesCda River RD
CrossesPrichard Cr;prichard Br
Location0.2 N. Prichard
RouteFederal Lands Road 0
StateIdaho
Coordinates47.65786, -115.97111
Functional classRural Local

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 protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating80 US tons
Inventory rating48 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadOther
Structure length71 ft (21.6 m)
Longest span70 ft (21.3 m)
Deck width29 ft (8.7 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic450 (2023)
Projected traffic675 by 2042
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$808,000 (2019 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Cda River RD over Prichard Cr;prichard Br built?

It was built in 1953, making it 72 years old in 2025.

What condition is Cda River RD over Prichard Cr;prichard Br 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 Cda River RD over Prichard Cr;prichard Br carry?

About 450 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is Cda River RD over Prichard Cr;prichard Br?

The structure is 71 ft (21.6 m) long with a longest span of 70 ft (21.3 m) and a deck 29 ft wide.

Who owns Cda River RD over Prichard Cr;prichard Br?

It is owned by the County Highway Agency.