US Bridges

I-10 EB over Roberts Farm RD

Fair

Cochise County, Arizona · 7.7 MI E JCT US 191 · Structure no. 01231

Built
1967
58 years old
Condition
Fair
inspected September 2023
Type
Slab
Concrete Continuous
Length
120 ft
3 main spans
Daily traffic
8,268
2022 count
Owner
State
State Highway Agency

About this bridge

I-10 EB over Roberts Farm RD is a concrete continuous slab carrying I-10 EB over Roberts Farm RD in Cochise County, Arizona. It was built in 1967, so it is 58 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 8,268 vehicles a day, roughly 39% of them trucks, projected to reach 8,278 by 2042. The structure is 120 ft (36.6 m) long and 41 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesI-10 EB
CrossesRoberts Farm RD
Location7.7 MI E JCT US 191
RouteInterstate 10
CountyCochise County
StateArizona
Coordinates32.3221, -109.50155
Functional classRural Principal Arterial - Interstate

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.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59 US tons
Inventory rating36 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length120 ft (36.6 m)
Longest span44 ft (13.4 m)
Deck width41 ft (12.6 m)
Roadway width38 ft (11.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,268 (2022)
Projected traffic8,278 by 2042
Trucks39%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

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 EB over Roberts Farm RD built?

It was built in 1967, making it 58 years old in 2025.

What condition is I-10 EB over Roberts Farm RD 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 EB over Roberts Farm RD carry?

About 8,268 vehicles per day (2022 count), of which roughly 39% are trucks.

How long is I-10 EB over Roberts Farm RD?

The structure is 120 ft (36.6 m) long with a longest span of 44 ft (13.4 m) and a deck 41 ft wide.

Who owns I-10 EB over Roberts Farm RD?

It is owned by the State Highway Agency.