US Bridges

SR 188 over Wash

Good

Gila County, Arizona · 3.9 MI E JCT SR 188 · Structure no. 04687

Built
1958
67 years old, rebuilt 2004
Condition
Good
inspected March 2022
Type
Culvert
Concrete Continuous
Length
22 ft
2 main spans
Daily traffic
869
2020 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 1958 and reconstructed in 2004, so it is 67 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 869 vehicles a day, roughly 35% of them trucks, projected to reach 879 by 2040. The structure is 22 ft (6.7 m) long. If it were closed, the detour would be 60.3 mi (97 km).

Location

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CarriesSR 188
CrossesWash
Location3.9 MI E JCT SR 188
RouteState Highway 188
CountyGila County
StateArizona
Coordinates33.6577, -111.1113
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 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating99 US tons
Inventory rating98 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadHS 20
Structure length22 ft (6.7 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 traffic869 (2020)
Projected traffic879 by 2040
Trucks35%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed60.3 mi (97 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 Wash built?

It was built in 1958, making it 67 years old in 2025. It was reconstructed in 2004.

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 2022.

How much traffic does SR 188 over Wash carry?

About 869 vehicles per day (2020 count), of which roughly 35% are trucks.

How long is SR 188 over Wash?

The structure is 22 ft (6.7 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.