US Bridges

SR 188 over Pinto Creek

Fair

Gila County, Arizona · 12.3 MI East JCT SR 88 · Structure no. 01564

Built
1972
53 years old
Condition
Fair
inspected March 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
524 ft
7 main spans
Daily traffic
1,130
2022 count
Owner
State
State Highway Agency

About this bridge

SR 188 over Pinto Creek is a prestressed concrete continuous stringer/multi-beam or girder carrying SR 188 over Pinto Creek in Gila County, Arizona. It was built in 1972, so it is 53 years old, older 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 1,130 vehicles a day, roughly 27% of them trucks, projected to reach 1,140 by 2042. The structure is 524 ft (159.7 m) long and 47 ft wide. If it were closed, the detour would be 60.3 mi (97 km).

CarriesSR 188
CrossesPinto Creek
Location12.3 MI East JCT SR 88
RouteState Highway 188
StateArizona
Coordinates33.598, -110.9995
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 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 adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating93 US tons
Inventory rating36 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans7
Design loadHS 20
Structure length524 ft (159.7 m)
Longest span74 ft (22.7 m)
Deck width47 ft (14.2 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,130 (2022)
Projected traffic1,140 by 2042
Trucks27%
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 Pinto Creek built?

It was built in 1972, making it 53 years old in 2025.

What condition is SR 188 over Pinto Creek 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 2024.

How much traffic does SR 188 over Pinto Creek carry?

About 1,130 vehicles per day (2022 count), of which roughly 27% are trucks.

How long is SR 188 over Pinto Creek?

The structure is 524 ft (159.7 m) long with a longest span of 74 ft (22.7 m) and a deck 47 ft wide.

Who owns SR 188 over Pinto Creek?

It is owned by the State Highway Agency.