US Bridges

Old US 80 over Ligurta Wash

FairPosted for load

Yuma County, Arizona · 3.0 MI E JCT I-8 · Structure no. 08410

Built
1930
95 years old, rebuilt 1949
Condition
Fair
inspected January 2025
Type
Tee Beam
Concrete
Length
146 ft
4 main spans
Daily traffic
2,302
2022 count
Owner
County
County Highway Agency

About this bridge

Old US 80 over Ligurta Wash is a concrete tee beam carrying Old US 80 over Ligurta Wash in Yuma County, Arizona. It was built in 1930 and reconstructed in 1949, so it is 95 years old, older 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. Its operating status is: posted for load restriction.

It carries about 2,302 vehicles a day, roughly 5% of them trucks, projected to reach 2,312 by 2042. The structure is 146 ft (44.5 m) long and 35 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

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CarriesOld US 80
CrossesLigurta Wash
Location3.0 MI E JCT I-8
RouteCounty Highway 0
CountyYuma County
StateArizona
Coordinates32.66802, -114.25375
Functional classRural Major 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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 2025
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating32 US tons
Inventory rating19 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length146 ft (44.5 m)
Longest span36 ft (11 m)
Deck width35 ft (10.7 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,302 (2022)
Projected traffic2,312 by 2042
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$2,000 (2023 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Old US 80 over Ligurta Wash built?

It was built in 1930, making it 95 years old in 2025. It was reconstructed in 1949.

What condition is Old US 80 over Ligurta Wash 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 January 2025.

How much traffic does Old US 80 over Ligurta Wash carry?

About 2,302 vehicles per day (2022 count), of which roughly 5% are trucks.

How long is Old US 80 over Ligurta Wash?

The structure is 146 ft (44.5 m) long with a longest span of 36 ft (11 m) and a deck 35 ft wide.

Who owns Old US 80 over Ligurta Wash?

It is owned by the County Highway Agency.