US Bridges

SR 188 over Desert Wash

Good

Gila County, Arizona · 19.1 MI S JCT SR 87 · Structure no. 06619

Built
1977
48 years old
Condition
Good
inspected March 2024
Type
Culvert
Steel
Length
22 ft
4 main spans
Daily traffic
1,042
2022 count
Owner
State
State Highway Agency

About this bridge

SR 188 over Desert Wash is a steel culvert carrying SR 188 over Desert Wash in Gila County, Arizona. It was built in 1977, so it is 48 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 1,042 vehicles a day, roughly 22% of them trucks, projected to reach 1,052 by 2042. The structure is 22 ft (6.7 m) long. If it were closed, the detour would be 98.8 mi (159 km).

Location

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CarriesSR 188
CrossesDesert Wash
Location19.1 MI S JCT SR 87
RouteState Highway 188
CountyGila County
StateArizona
Coordinates33.81268, -111.28905
Functional classRural Major Collector

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 inspectionMarch 2024
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 alignment6: Equal to present minimum criteria
Operating rating72 US tons
Inventory rating43 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans4
Design loadHS 20
Structure length22 ft (6.7 m)
Longest span4 ft (1.2 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,042 (2022)
Projected traffic1,052 by 2042
Trucks22%
Lanes on structure2
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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was SR 188 over Desert Wash built?

It was built in 1977, making it 48 years old in 2025.

What condition is SR 188 over Desert 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 March 2024.

How much traffic does SR 188 over Desert Wash carry?

About 1,042 vehicles per day (2022 count), of which roughly 22% are trucks.

How long is SR 188 over Desert Wash?

The structure is 22 ft (6.7 m) long with a longest span of 4 ft (1.2 m).

Who owns SR 188 over Desert Wash?

It is owned by the State Highway Agency.