US Bridges

Mdl Potlatch CR RD over Middle Potlatch Creek

FairPosted for load

Latah County, Idaho · 0.7 N. 0.5 E. Juliaetta · Structure no. 000000000029510

Built
1940
85 years old, rebuilt 1960
Condition
Fair
inspected June 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
53 ft
2 main spans
Daily traffic
30
2023 count
Owner
Local
Other Local Agency

About this bridge

Mdl Potlatch CR RD over Middle Potlatch Creek is a steel stringer/multi-beam or girder carrying Mdl Potlatch CR RD over Middle Potlatch Creek in Latah County, Idaho. It was built in 1940 and reconstructed in 1960, so it is 85 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. Its operating status is: posted for load restriction.

It carries about 30 vehicles a day, roughly 5% of them trucks, projected to reach 45 by 2039. The structure is 53 ft (16.2 m) long and 20 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

CarriesMdl Potlatch CR RD
CrossesMiddle Potlatch Creek
Location0.7 N. 0.5 E. Juliaetta
RouteCounty Highway 0
StateIdaho
Coordinates46.5895, -116.72128
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
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 inspectionJune 2024
Inspection intervalevery 24 months
Operating statusPosted for load 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 adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating31 US tons
Inventory rating19 US tons

Structure

MaterialSteel
DeckCorrugated steel
Main spans2
Design loadHS 15
Structure length53 ft (16.2 m)
Longest span25 ft (7.6 m)
Deck width20 ft (6.1 m)
Roadway width19 ft (5.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic30 (2023)
Projected traffic45 by 2039
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed98.8 mi (159 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$513,000 (2020 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Mdl Potlatch CR RD over Middle Potlatch Creek built?

It was built in 1940, making it 85 years old in 2025. It was reconstructed in 1960.

What condition is Mdl Potlatch CR RD over Middle Potlatch 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 June 2024.

How much traffic does Mdl Potlatch CR RD over Middle Potlatch Creek carry?

About 30 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is Mdl Potlatch CR RD over Middle Potlatch Creek?

The structure is 53 ft (16.2 m) long with a longest span of 25 ft (7.6 m) and a deck 20 ft wide.

Who owns Mdl Potlatch CR RD over Middle Potlatch Creek?

It is owned by the Other Local Agency.