US Bridges

US 191 over Dial Wash

Good

Cochise County, Arizona · 29.2 MI S JCT US 70 · Structure no. 05162

Built
1947
78 years old, rebuilt 2010
Condition
Good
inspected December 2023
Type
Culvert
Concrete Continuous
Length
43 ft
4 main spans
Daily traffic
2,860
2022 count
Owner
State
State Highway Agency

About this bridge

US 191 over Dial Wash is a concrete continuous culvert carrying US 191 over Dial Wash in Cochise County, Arizona. It was built in 1947 and reconstructed in 2010, so it is 78 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 2,860 vehicles a day, roughly 21% of them trucks, projected to reach 2,870 by 2042. The structure is 43 ft (13.1 m) long. If it were closed, the detour would be 98.8 mi (159 km).

CarriesUS 191
CrossesDial Wash
Location29.2 MI S JCT US 70
RouteU.S. Route 191
StateArizona
Coordinates32.4172, -109.66242
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
Channel and channel protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionDecember 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 alignment8: Equal to present desirable criteria
Operating rating99 US tons
Inventory rating99 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans4
Design loadHS 20
Structure length43 ft (13.1 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 traffic2,860 (2022)
Projected traffic2,870 by 2042
Trucks21%
Lanes on structure5
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed98.8 mi (159 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$2,000
NavigationNo navigation control on waterway

Frequently asked questions

When was US 191 over Dial Wash built?

It was built in 1947, making it 78 years old in 2025. It was reconstructed in 2010.

What condition is US 191 over Dial 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 December 2023.

How much traffic does US 191 over Dial Wash carry?

About 2,860 vehicles per day (2022 count), of which roughly 21% are trucks.

How long is US 191 over Dial Wash?

The structure is 43 ft (13.1 m) long with a longest span of 10 ft (3 m).

Who owns US 191 over Dial Wash?

It is owned by the State Highway Agency.