US Bridges

SR 188 over Wilson Wash

Good

Gila County, Arizona · 0.3 MI E JCT SR299 · Structure no. 02584

Built
2005
20 years old
Condition
Good
inspected March 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
357 ft
3 main spans
Daily traffic
1,137
2022 count
Owner
State
State Highway Agency

About this bridge

SR 188 over Wilson Wash is a prestressed concrete continuous stringer/multi-beam or girder carrying SR 188 over Wilson Wash in Gila County, Arizona. It was built in 2005, so it is 20 years old, younger 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 1,137 vehicles a day, roughly 31% of them trucks, projected to reach 1,147 by 2042. The structure is 357 ft (108.8 m) long and 55 ft wide. If it were closed, the detour would be 60.3 mi (97 km).

Location

Open in Google Maps
CarriesSR 188
CrossesWilson Wash
Location0.3 MI E JCT SR299
RouteState Highway 188
CountyGila County
StateArizona
Coordinates33.56103, -110.95144
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
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry7: 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 rating41 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length357 ft (108.8 m)
Longest span121 ft (36.9 m)
Deck width55 ft (16.8 m)
Roadway width52 ft (15.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,137 (2022)
Projected traffic1,147 by 2042
Trucks31%
Lanes on structure3
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 Wilson Wash built?

It was built in 2005, making it 20 years old in 2025.

What condition is SR 188 over Wilson 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 Wilson Wash carry?

About 1,137 vehicles per day (2022 count), of which roughly 31% are trucks.

How long is SR 188 over Wilson Wash?

The structure is 357 ft (108.8 m) long with a longest span of 121 ft (36.9 m) and a deck 55 ft wide.

Who owns SR 188 over Wilson Wash?

It is owned by the State Highway Agency.