US Bridges

SR 188 over Hardt Creek

Fair

Gila County, Arizona · 3.4 MI S JCT SR 87 · Structure no. 06370

Built
1971
54 years old
Condition
Fair
inspected February 2024
Type
Culvert
Concrete Continuous
Length
43 ft
4 main spans
Daily traffic
1,908
2018 count
Owner
State
State Highway Agency

About this bridge

SR 188 over Hardt Creek is a concrete continuous culvert carrying SR 188 over Hardt Creek in Gila County, Arizona. It was built in 1971, so it is 54 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 1,908 vehicles a day, roughly 24% of them trucks, projected to reach 1,918 by 2042. The structure is 43 ft (13.1 m) long. If it were closed, the detour would be 98.8 mi (159 km).

Location

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CarriesSR 188
CrossesHardt Creek
Location3.4 MI S JCT SR 87
RouteState Highway 188
CountyGila County
StateArizona
Coordinates34.00989, -111.31834
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 inspectionFebruary 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy6: Equal to 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 spans4
Design loadHS 20
Structure length43 ft (13.1 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 traffic1,908 (2018)
Projected traffic1,918 by 2042
Trucks24%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed98.8 mi (159 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 Hardt Creek built?

It was built in 1971, making it 54 years old in 2025.

What condition is SR 188 over Hardt 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 February 2024.

How much traffic does SR 188 over Hardt Creek carry?

About 1,908 vehicles per day (2018 count), of which roughly 24% are trucks.

How long is SR 188 over Hardt Creek?

The structure is 43 ft (13.1 m) long with a longest span of 10 ft (3 m).

Who owns SR 188 over Hardt Creek?

It is owned by the State Highway Agency.