US Bridges

Stc 8743;7th Ave N over Lower Payette Ditch

Good

Payette County, Idaho · In PAYETTE;7th Ave N · Structure no. 000000000021896

Built
2009
16 years old
Condition
Good
inspected November 2023
Type
Culvert
Concrete
Length
26 ft
1 main span
Daily traffic
2,300
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

Stc 8743;7th Ave N over Lower Payette Ditch is a concrete culvert carrying Stc 8743;7th Ave N over Lower Payette Ditch in Payette County, Idaho. It was built in 2009, so it is 16 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 2,300 vehicles a day, roughly 5% of them trucks, projected to reach 3,450 by 2042. The structure is 26 ft (7.9 m) long and 58 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesStc 8743;7th Ave N
CrossesLower Payette Ditch
LocationIn PAYETTE;7th Ave N
RouteCity Street 8743
StateIdaho
Coordinates44.08203, -116.92164
Functional classUrban Collector

Condition and inspection

Good

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

ComponentRatingMeaning
Channel and channel protection8 Very GoodNo problems noted.
Culvert8 Very GoodNo problems noted.
Last inspectionNovember 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating99 US tons
Inventory rating59 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHL 93
Structure length26 ft (7.9 m)
Longest span26 ft (7.9 m)
Deck width58 ft (17.8 m)
Roadway width46 ft (14 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,300 (2023)
Projected traffic3,450 by 2042
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed0.6 mi (1 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway 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 Stc 8743;7th Ave N over Lower Payette Ditch built?

It was built in 2009, making it 16 years old in 2025.

What condition is Stc 8743;7th Ave N over Lower Payette Ditch 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 November 2023.

How much traffic does Stc 8743;7th Ave N over Lower Payette Ditch carry?

About 2,300 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is Stc 8743;7th Ave N over Lower Payette Ditch?

The structure is 26 ft (7.9 m) long with a longest span of 26 ft (7.9 m) and a deck 58 ft wide.

Who owns Stc 8743;7th Ave N over Lower Payette Ditch?

It is owned by the City or Municipal Highway Agency.