US Bridges

SR 188 over Wash

Good

Gila County, Arizona · 1.8 MI N JCT US 60 · Structure no. 06599

Built
1975
50 years old, rebuilt 2006
Condition
Good
inspected March 2024
Type
Culvert
Concrete Continuous
Length
24 ft
2 main spans
Daily traffic
3,242
2022 count
Owner
State
State Highway Agency

About this bridge

SR 188 over Wash is a concrete continuous culvert carrying SR 188 over Wash in Gila County, Arizona. It was built in 1975 and reconstructed in 2006, so it is 50 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 3,242 vehicles a day, roughly 22% of them trucks, projected to reach 3,252 by 2042. The structure is 24 ft (7.3 m) long. If it were closed, the detour would be 19.9 mi (32 km).

Location

Open in Google Maps
CarriesSR 188
CrossesWash
Location1.8 MI N JCT US 60
RouteState Highway 188
CountyGila County
StateArizona
Coordinates33.44115, -110.83139
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 adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating99 US tons
Inventory rating86 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadHS 20
Structure length24 ft (7.3 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deck18 ft (5.5 m)

Traffic and service

Average daily traffic3,242 (2022)
Projected traffic3,252 by 2042
Trucks22%
Lanes on structure5
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed19.9 mi (32 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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was SR 188 over Wash built?

It was built in 1975, making it 50 years old in 2025. It was reconstructed in 2006.

What condition is SR 188 over 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 Wash carry?

About 3,242 vehicles per day (2022 count), of which roughly 22% are trucks.

How long is SR 188 over Wash?

The structure is 24 ft (7.3 m) long with a longest span of 10 ft (3 m).

Who owns SR 188 over Wash?

It is owned by the State Highway Agency.