US Bridges

SR 188 over Wash

Fair

Gila County, Arizona · 15.0 MI NW JCT SR 88 · Structure no. 06931

Built
1993
32 years old
Condition
Fair
inspected March 2022
Type
Culvert
Concrete Continuous
Length
21 ft
2 main spans
Daily traffic
897
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 1993, so it is 32 years old, younger than the Arizona average of 47.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 897 vehicles a day, roughly 24% of them trucks, projected to reach 907 by 2040. The structure is 21 ft (6.4 m) long. If it were closed, the detour would be 72.1 mi (116 km).

CarriesSR 188
CrossesWash
Location15.0 MI NW JCT SR 88
RouteState Highway 188
StateArizona
Coordinates33.7988, -111.2694
Functional classRural Major Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum 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 spans2
Design loadHS 20
Structure length21 ft (6.4 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 traffic897 (2020)
Projected traffic907 by 2040
Trucks24%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed72.1 mi (116 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 1993, making it 32 years old in 2025.

What condition is SR 188 over Wash in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in March 2022.

How much traffic does SR 188 over Wash carry?

About 897 vehicles per day (2020 count), of which roughly 24% are trucks.

How long is SR 188 over Wash?

The structure is 21 ft (6.4 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.