US Bridges

STC8843;NE 10th Av over Lower Payette Canal

Fair

Payette County, Idaho · 1.1 S. 1.4 E. Payette · Structure no. 000000000028365

Built
1960
65 years old
Condition
Fair
inspected November 2023
Type
Slab
Concrete
Length
25 ft
1 main span
Daily traffic
510
2023 count
Owner
County
County Highway Agency

About this bridge

STC8843;NE 10th Av over Lower Payette Canal is a concrete slab carrying STC8843;NE 10th Av over Lower Payette Canal in Payette County, Idaho. It was built in 1960, so it is 65 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.

It carries about 510 vehicles a day, roughly 16% of them trucks, projected to reach 765 by 2042. The structure is 25 ft (7.6 m) long and 29 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesSTC8843;NE 10th Av
CrossesLower Payette Canal
Location1.1 S. 1.4 E. Payette
RouteCounty Highway 8843
CountyPayette County
StateIdaho
Coordinates44.05769, -116.90992
Functional classUrban 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 protection8 Very GoodNo problems noted.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating44.6 US tons
Inventory rating26.8 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadH 15
Structure length25 ft (7.6 m)
Longest span23 ft (7 m)
Deck width29 ft (8.7 m)
Roadway width27 ft (8.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic510 (2023)
Projected traffic765 by 2042
Trucks16%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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$378,000 (2019 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was STC8843;NE 10th Av over Lower Payette Canal built?

It was built in 1960, making it 65 years old in 2025.

What condition is STC8843;NE 10th Av over Lower Payette Canal 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 November 2023.

How much traffic does STC8843;NE 10th Av over Lower Payette Canal carry?

About 510 vehicles per day (2023 count), of which roughly 16% are trucks.

How long is STC8843;NE 10th Av over Lower Payette Canal?

The structure is 25 ft (7.6 m) long with a longest span of 23 ft (7 m) and a deck 29 ft wide.

Who owns STC8843;NE 10th Av over Lower Payette Canal?

It is owned by the County Highway Agency.