US Bridges

Genesee-Troy Road over Middle Potlatch Creek

Good

Latah County, Idaho · 0.8 S. 0.8 E. Joel · Structure no. 000000000029762

Built
1994
31 years old
Condition
Good
inspected May 2023
Type
Tee Beam
Prestressed Concrete
Length
30 ft
1 main span
Daily traffic
210
2023 count
Owner
Local
Other Local Agency

About this bridge

Genesee-Troy Road over Middle Potlatch Creek is a prestressed concrete tee beam carrying Genesee-Troy Road over Middle Potlatch Creek in Latah County, Idaho. It was built in 1994, so it is 31 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 210 vehicles a day, roughly 31% of them trucks, projected to reach 315 by 2042. The structure is 30 ft (9.1 m) long and 28 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesGenesee-Troy Road
CrossesMiddle Potlatch Creek
Location0.8 S. 0.8 E. Joel
RouteCounty Highway 0
StateIdaho
Coordinates46.70333, -116.86339
Functional classRural Minor Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating57 US tons
Inventory rating34 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length30 ft (9.1 m)
Longest span29 ft (8.8 m)
Deck width28 ft (8.5 m)
Roadway width26 ft (8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic210 (2023)
Projected traffic315 by 2042
Trucks31%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Genesee-Troy Road over Middle Potlatch Creek built?

It was built in 1994, making it 31 years old in 2025.

What condition is Genesee-Troy Road over Middle Potlatch Creek 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 May 2023.

How much traffic does Genesee-Troy Road over Middle Potlatch Creek carry?

About 210 vehicles per day (2023 count), of which roughly 31% are trucks.

How long is Genesee-Troy Road over Middle Potlatch Creek?

The structure is 30 ft (9.1 m) long with a longest span of 29 ft (8.8 m) and a deck 28 ft wide.

Who owns Genesee-Troy Road over Middle Potlatch Creek?

It is owned by the Other Local Agency.