US Bridges

8th Street over Dome Canal

Good

Yuma County, Arizona · W JCT Avenue 20E · Structure no. 08941

Built
1989
36 years old
Condition
Good
inspected March 2024
Type
Box Beam or Girders - Multiple
Concrete
Length
37 ft
1 main span
Daily traffic
90
2024 count
Owner
County
County Highway Agency

About this bridge

8th Street over Dome Canal is a concrete box beam or girders - multiple carrying 8th Street over Dome Canal in Yuma County, Arizona. It was built in 1989, so it is 36 years old, younger than the Arizona average of 47.8 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 90 vehicles a day, projected to reach 100 by 2042. The structure is 37 ft (11.4 m) long and 32 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Carries8th Street
CrossesDome Canal
LocationW JCT Avenue 20E
RouteCounty Highway 0
StateArizona
Coordinates32.70717, -114.29636
Functional classRural Local

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.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating78 US tons
Inventory rating46 US tons

Structure

MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length37 ft (11.4 m)
Longest span35 ft (10.7 m)
Deck width32 ft (9.8 m)
Roadway width30 ft (9 m)
Vertical clearance over deck99 ft (30.2 m)

Traffic and service

Average daily traffic90 (2024)
Projected traffic100 by 2042
Trucks0%
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 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 8th Street over Dome Canal built?

It was built in 1989, making it 36 years old in 2025.

What condition is 8th Street over Dome Canal 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 March 2024.

How much traffic does 8th Street over Dome Canal carry?

About 90 vehicles per day (2024 count).

How long is 8th Street over Dome Canal?

The structure is 37 ft (11.4 m) long with a longest span of 35 ft (10.7 m) and a deck 32 ft wide.

Who owns 8th Street over Dome Canal?

It is owned by the County Highway Agency.