US Bridges

SR 72 over Butler Wash

Good

La Paz County, Arizona · 17.8 MI NW of JCT US 60 · Structure no. 00643

Built
1961
64 years old
Condition
Good
inspected January 2024
Type
Slab
Concrete Continuous
Length
111 ft
4 main spans
Daily traffic
2,725
2022 count
Owner
State
State Highway Agency

About this bridge

SR 72 over Butler Wash is a concrete continuous slab carrying SR 72 over Butler Wash in La Paz County, Arizona. It was built in 1961, so it is 64 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 2,725 vehicles a day, roughly 25% of them trucks, projected to reach 2,735 by 2042. The structure is 111 ft (33.8 m) long and 37 ft wide. If it were closed, the detour would be 52.8 mi (85 km).

CarriesSR 72
CrossesButler Wash
Location17.8 MI NW of JCT US 60
RouteState Highway 72
StateArizona
Coordinates33.87986, -113.94444
Functional classRural Minor Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating45 US tons
Inventory rating27 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length111 ft (33.8 m)
Longest span30 ft (9.1 m)
Deck width37 ft (11.3 m)
Roadway width34 ft (10.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,725 (2022)
Projected traffic2,735 by 2042
Trucks25%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed52.8 mi (85 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 SR 72 over Butler Wash built?

It was built in 1961, making it 64 years old in 2025.

What condition is SR 72 over Butler Wash 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 January 2024.

How much traffic does SR 72 over Butler Wash carry?

About 2,725 vehicles per day (2022 count), of which roughly 25% are trucks.

How long is SR 72 over Butler Wash?

The structure is 111 ft (33.8 m) long with a longest span of 30 ft (9.1 m) and a deck 37 ft wide.

Who owns SR 72 over Butler Wash?

It is owned by the State Highway Agency.