US Bridges

S. Brincken Road over Deep Creek

FairPosted for load

Latah County, Idaho · 5.4 N. 1.1 W. Potlatch · Structure no. 000000000029495

Built
1940
85 years old, rebuilt 1975
Condition
Fair
inspected May 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
28 ft
1 main span
Daily traffic
10
2023 count
Owner
Local
Other Local Agency

About this bridge

S. Brincken Road over Deep Creek is a steel stringer/multi-beam or girder carrying S. Brincken Road over Deep Creek in Latah County, Idaho. It was built in 1940 and reconstructed in 1975, 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 6 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 10 vehicles a day, roughly 99% of them trucks, projected to reach 15 by 2042. The structure is 28 ft (8.5 m) long and 24 ft wide.

Location

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CarriesS. Brincken Road
CrossesDeep Creek
Location5.4 N. 1.1 W. Potlatch
RouteCounty Highway 0
CountyLatah County
StateIdaho
Coordinates47.00022, -116.92408
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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating24 US tons
Inventory rating14 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckCorrugated steel
Main spans1
Design loadH 15
Structure length28 ft (8.5 m)
Longest span27 ft (8.2 m)
Deck width24 ft (7.4 m)
Roadway width23 ft (7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10 (2023)
Projected traffic15 by 2042
Trucks99%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
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$342,000 (2021 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was S. Brincken Road over Deep Creek built?

It was built in 1940, making it 85 years old in 2025. It was reconstructed in 1975.

What condition is S. Brincken Road over Deep 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 May 2023.

How much traffic does S. Brincken Road over Deep Creek carry?

About 10 vehicles per day (2023 count), of which roughly 99% are trucks.

How long is S. Brincken Road over Deep Creek?

The structure is 28 ft (8.5 m) long with a longest span of 27 ft (8.2 m) and a deck 24 ft wide.

Who owns S. Brincken Road over Deep Creek?

It is owned by the Other Local Agency.