US Bridges

US 180 over Big Hollow Wash

Fair

Apache County, Arizona · 4.6 MI W JCT US 191 · Structure no. 01864

Built
1981
44 years old
Condition
Fair
inspected September 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
149 ft
3 main spans
Daily traffic
2,048
2022 count
Owner
State
State Highway Agency

About this bridge

US 180 over Big Hollow Wash is a steel continuous stringer/multi-beam or girder carrying US 180 over Big Hollow Wash in Apache County, Arizona. It was built in 1981, so it is 44 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 2,048 vehicles a day, roughly 9% of them trucks, projected to reach 2,058 by 2042. The structure is 149 ft (45.4 m) long and 41 ft wide. If it were closed, the detour would be 34.8 mi (56 km).

Location

Open in Google Maps
CarriesUS 180
CrossesBig Hollow Wash
Location4.6 MI W JCT US 191
RouteU.S. Route 180
CountyApache County
StateArizona
Coordinates34.50976, -109.44022
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating70 US tons
Inventory rating42 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length149 ft (45.4 m)
Longest span56 ft (17.1 m)
Deck width41 ft (12.6 m)
Roadway width38 ft (11.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,048 (2022)
Projected traffic2,058 by 2042
Trucks9%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed34.8 mi (56 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was US 180 over Big Hollow Wash built?

It was built in 1981, making it 44 years old in 2025.

What condition is US 180 over Big Hollow 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 September 2024.

How much traffic does US 180 over Big Hollow Wash carry?

About 2,048 vehicles per day (2022 count), of which roughly 9% are trucks.

How long is US 180 over Big Hollow Wash?

The structure is 149 ft (45.4 m) long with a longest span of 56 ft (17.1 m) and a deck 41 ft wide.

Who owns US 180 over Big Hollow Wash?

It is owned by the State Highway Agency.