US Bridges

Old US 80 over Mohawk Wash Cbc

Good

Yuma County, Arizona · 0.9 MI W JCT Ave 45E · Structure no. 08430

Built
1941
84 years old
Condition
Good
inspected February 2023
Type
Culvert
Concrete Continuous
Length
65 ft
6 main spans
Daily traffic
472
2022 count
Owner
County
County Highway Agency

About this bridge

Old US 80 over Mohawk Wash Cbc is a concrete continuous culvert carrying Old US 80 over Mohawk Wash Cbc in Yuma County, Arizona. It was built in 1941, so it is 84 years old, older 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 472 vehicles a day, roughly 5% of them trucks, projected to reach 482 by 2042. The structure is 65 ft (19.8 m) long. If it were closed, the detour would be 19.9 mi (32 km).

CarriesOld US 80
CrossesMohawk Wash Cbc
Location0.9 MI W JCT Ave 45E
RouteCounty Highway 0
StateArizona
Coordinates32.70776, -113.88273
Functional classRural Major 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 protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionFebruary 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating55 US tons
Inventory rating33 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans6
Design loadHS 20
Structure length65 ft (19.8 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic472 (2022)
Projected traffic482 by 2042
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed19.9 mi (32 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 Old US 80 over Mohawk Wash Cbc built?

It was built in 1941, making it 84 years old in 2025.

What condition is Old US 80 over Mohawk Wash Cbc 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 February 2023.

How much traffic does Old US 80 over Mohawk Wash Cbc carry?

About 472 vehicles per day (2022 count), of which roughly 5% are trucks.

How long is Old US 80 over Mohawk Wash Cbc?

The structure is 65 ft (19.8 m) long with a longest span of 10 ft (3 m).

Who owns Old US 80 over Mohawk Wash Cbc?

It is owned by the County Highway Agency.