US Bridges

CO 8 1/2 Street over West Main Canal

Fair

Yuma County, Arizona · 0.5 MI W JCT Avenue D · Structure no. 08842

Built
1986
39 years old
Condition
Fair
inspected June 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
66 ft
1 main span
Daily traffic
180
2022 count
Owner
County
County Highway Agency

About this bridge

CO 8 1/2 Street over West Main Canal is a steel stringer/multi-beam or girder carrying CO 8 1/2 Street over West Main Canal in Yuma County, Arizona. It was built in 1986, so it is 39 years old, younger than the Arizona average of 47.8 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 180 vehicles a day, roughly 1% of them trucks, projected to reach 190 by 2042. The structure is 66 ft (20.1 m) long and 49 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesCO 8 1/2 Street
CrossesWest Main Canal
Location0.5 MI W JCT Avenue D
RouteCounty Highway 0
CountyYuma County
StateArizona
Coordinates32.70569, -114.69331
Functional classUrban Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum 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 rating63.1 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length66 ft (20.1 m)
Longest span63 ft (19.2 m)
Deck width49 ft (14.9 m)
Roadway width46 ft (14 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic180 (2022)
Projected traffic190 by 2042
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was CO 8 1/2 Street over West Main Canal built?

It was built in 1986, making it 39 years old in 2025.

What condition is CO 8 1/2 Street over West Main 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 June 2023.

How much traffic does CO 8 1/2 Street over West Main Canal carry?

About 180 vehicles per day (2022 count), of which roughly 1% are trucks.

How long is CO 8 1/2 Street over West Main Canal?

The structure is 66 ft (20.1 m) long with a longest span of 63 ft (19.2 m) and a deck 49 ft wide.

Who owns CO 8 1/2 Street over West Main Canal?

It is owned by the County Highway Agency.