US Bridges

SR B10 over I 10

FairClosed to traffic

Cochise County, Arizona · 5.3 MI E JCT US191 South · Structure no. 01113

Built
1965
60 years old, rebuilt 2021
Condition
Fair
inspected September 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
250 ft
4 main spans
Daily traffic
999
2022 count
Owner
State
State Highway Agency

About this bridge

SR B10 over I 10 is a steel continuous stringer/multi-beam or girder carrying SR B10 over I 10 in Cochise County, Arizona. It was built in 1965 and reconstructed in 2021, 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 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. Its operating status is: closed to all traffic.

It carries about 999 vehicles a day, roughly 3% of them trucks, projected to reach 1,009 by 2042. The structure is 250 ft (76.2 m) long and 35 ft wide. If it were closed, the detour would be 11.2 mi (18 km).

Location

Open in Google Maps
CarriesSR B10
CrossesI 10
Location5.3 MI E JCT US191 South
RouteState Highway 10
CountyCochise County
StateArizona
Coordinates32.2226, -109.8784
Functional classRural Minor Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusClosed to all traffic
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 rating61.9 US tons
Inventory rating37 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length250 ft (76.2 m)
Longest span78 ft (23.8 m)
Deck width35 ft (10.7 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic999 (2022)
Projected traffic1,009 by 2042
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed11.2 mi (18 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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was SR B10 over I 10 built?

It was built in 1965, making it 60 years old in 2025. It was reconstructed in 2021.

What condition is SR B10 over I 10 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 SR B10 over I 10 carry?

About 999 vehicles per day (2022 count), of which roughly 3% are trucks.

How long is SR B10 over I 10?

The structure is 250 ft (76.2 m) long with a longest span of 78 ft (23.8 m) and a deck 35 ft wide.

Who owns SR B10 over I 10?

It is owned by the State Highway Agency.