US Bridges

SR 188 over Cottonwood Creek

Good

Gila County, Arizona · 6.6 MI South JCT SR 87 · Structure no. 00949

Built
1965
60 years old, rebuilt 2001
Condition
Good
inspected February 2024
Type
Tee Beam
Prestressed Concrete
Length
106 ft
3 main spans
Daily traffic
1,908
2022 count
Owner
State
State Highway Agency

About this bridge

SR 188 over Cottonwood Creek is a prestressed concrete tee beam carrying SR 188 over Cottonwood Creek in Gila County, Arizona. It was built in 1965 and reconstructed in 2001, so it is 60 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 1,908 vehicles a day, roughly 24% of them trucks, projected to reach 1,918 by 2042. The structure is 106 ft (32.3 m) long and 47 ft wide. If it were closed, the detour would be 60.3 mi (97 km).

Location

Open in Google Maps
CarriesSR 188
CrossesCottonwood Creek
Location6.6 MI South JCT SR 87
RouteState Highway 188
CountyGila County
StateArizona
Coordinates33.97023, -111.32157
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 protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation7: Better than present minimum criteria
Deck geometry8: Equal to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating85 US tons
Inventory rating37 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length106 ft (32.3 m)
Longest span35 ft (10.7 m)
Deck width47 ft (14.3 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,908 (2022)
Projected traffic1,918 by 2042
Trucks24%
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 Cottonwood Creek built?

It was built in 1965, making it 60 years old in 2025. It was reconstructed in 2001.

What condition is SR 188 over Cottonwood Creek 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 February 2024.

How much traffic does SR 188 over Cottonwood Creek carry?

About 1,908 vehicles per day (2022 count), of which roughly 24% are trucks.

How long is SR 188 over Cottonwood Creek?

The structure is 106 ft (32.3 m) long with a longest span of 35 ft (10.7 m) and a deck 47 ft wide.

Who owns SR 188 over Cottonwood Creek?

It is owned by the State Highway Agency.