US Bridges

US 180 over Five Mile Wash

Fair

Navajo County, Arizona · 1.8 MI E JCT SR 77 · Structure no. 00948

Built
1931
94 years old, rebuilt 1967
Condition
Fair
inspected June 2023
Type
Tee Beam
Concrete
Length
66 ft
2 main spans
Daily traffic
903
2021 count
Owner
State
State Highway Agency

About this bridge

US 180 over Five Mile Wash is a concrete tee beam carrying US 180 over Five Mile Wash in Navajo County, Arizona. It was built in 1931 and reconstructed in 1967, so it is 94 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 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 903 vehicles a day, roughly 27% of them trucks, projected to reach 912 by 2041. The structure is 66 ft (20.1 m) long and 43 ft wide. If it were closed, the detour would be 49.7 mi (80 km).

Location

Open in Google Maps
CarriesUS 180
CrossesFive Mile Wash
Location1.8 MI E JCT SR 77
RouteU.S. Route 180
CountyNavajo County
StateArizona
Coordinates34.8856, -110.1316
Functional classRural Minor Arterial

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry8: Equal to present desirable criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating52 US tons
Inventory rating31 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length66 ft (20.1 m)
Longest span32 ft (9.8 m)
Deck width43 ft (13 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic903 (2021)
Projected traffic912 by 2041
Trucks27%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed49.7 mi (80 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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$1,000 (2023 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was US 180 over Five Mile Wash built?

It was built in 1931, making it 94 years old in 2025. It was reconstructed in 1967.

What condition is US 180 over Five Mile 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 June 2023.

How much traffic does US 180 over Five Mile Wash carry?

About 903 vehicles per day (2021 count), of which roughly 27% are trucks.

How long is US 180 over Five Mile Wash?

The structure is 66 ft (20.1 m) long with a longest span of 32 ft (9.8 m) and a deck 43 ft wide.

Who owns US 180 over Five Mile Wash?

It is owned by the State Highway Agency.