US Bridges

STC8783;CENTER Ave over Lower Payette Ditch

Fair

Payette County, Idaho · In Payette;center Ave · Structure no. 000000000021900

Built
1967
58 years old
Condition
Fair
inspected November 2024
Type
Tee Beam
Prestressed Concrete
Length
30 ft
1 main span
Daily traffic
1,500
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

STC8783;CENTER Ave over Lower Payette Ditch is a prestressed concrete tee beam carrying STC8783;CENTER Ave over Lower Payette Ditch in Payette County, Idaho. It was built in 1967, so it is 58 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.

It carries about 1,500 vehicles a day, roughly 2% of them trucks, projected to reach 2,250 by 2042. The structure is 30 ft (9.1 m) long and 44 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesSTC8783;CENTER Ave
CrossesLower Payette Ditch
LocationIn Payette;center Ave
RouteCity Street 8783
CountyPayette County
StateIdaho
Coordinates44.07486, -116.92118
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.
Superstructure7 GoodSome minor problems.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
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 rating38 US tons
Inventory rating23 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadH 15
Structure length30 ft (9.1 m)
Longest span29 ft (8.8 m)
Deck width44 ft (13.4 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,500 (2023)
Projected traffic2,250 by 2042
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.2 mi (2 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$707,000 (2019 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was STC8783;CENTER Ave over Lower Payette Ditch built?

It was built in 1967, making it 58 years old in 2025.

What condition is STC8783;CENTER Ave over Lower Payette Ditch 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 2024.

How much traffic does STC8783;CENTER Ave over Lower Payette Ditch carry?

About 1,500 vehicles per day (2023 count), of which roughly 2% are trucks.

How long is STC8783;CENTER Ave over Lower Payette Ditch?

The structure is 30 ft (9.1 m) long with a longest span of 29 ft (8.8 m) and a deck 44 ft wide.

Who owns STC8783;CENTER Ave over Lower Payette Ditch?

It is owned by the City or Municipal Highway Agency.