US Bridges

I 10;FRONTAGE RD over California Wash

Fair

Cochise County, Arizona · 4.2 MI E JCT US191 North · Structure no. 01031

Built
1940
85 years old
Condition
Fair
inspected September 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
180 ft
4 main spans
Daily traffic
105
2019 count
Owner
State
State Highway Agency

About this bridge

I 10;FRONTAGE RD over California Wash is a steel continuous stringer/multi-beam or girder carrying I 10;FRONTAGE RD over California Wash in Cochise County, Arizona. It was built in 1940, so it is 85 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 105 vehicles a day, roughly 1% of them trucks, projected to reach 115 by 2039. The structure is 180 ft (54.9 m) long and 37 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesI 10;FRONTAGE RD
CrossesCalifornia Wash
Location4.2 MI E JCT US191 North
RouteState Highway 10
CountyCochise County
StateArizona
Coordinates32.35698, -109.61325
Functional classRural Local

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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating65 US tons
Inventory rating39 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadH 15
Structure length180 ft (54.9 m)
Longest span50 ft (15.2 m)
Deck width37 ft (11.2 m)
Roadway width34 ft (10.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic105 (2019)
Projected traffic115 by 2039
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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 I 10;FRONTAGE RD over California Wash built?

It was built in 1940, making it 85 years old in 2025.

What condition is I 10;FRONTAGE RD over California 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 September 2023.

How much traffic does I 10;FRONTAGE RD over California Wash carry?

About 105 vehicles per day (2019 count), of which roughly 1% are trucks.

How long is I 10;FRONTAGE RD over California Wash?

The structure is 180 ft (54.9 m) long with a longest span of 50 ft (15.2 m) and a deck 37 ft wide.

Who owns I 10;FRONTAGE RD over California Wash?

It is owned by the State Highway Agency.