US Bridges

Yuma St. over S. Kolb Rd.

Good

Pima County, Arizona · E. of S. Wilmot Rd. · Structure no. 2360025P0000000

Built
2010
15 years old
Condition
Good
inspected December 2024
Type
Box Beam or Girders - Single or Spread
Prestressed Concrete Continuous
Length
177 ft
2 main spans
Daily traffic
30
2021 count
Owner
Federal
Air Force

About this bridge

Yuma St. over S. Kolb Rd. is a prestressed concrete continuous box beam or girders - single or spread carrying Yuma St. over S. Kolb Rd. in Pima County, Arizona. It was built in 2010, so it is 15 years old, younger than the Arizona average of 47.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 30 vehicles a day, projected to reach 35 by 2031. The structure is 177 ft (54.1 m) long and 39 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

CarriesYuma St.
CrossesS. Kolb Rd.
LocationE. of S. Wilmot Rd.
RouteFederal Lands Road 0
StateArizona
Coordinates32.14708, -110.84068
Functional classUrban Other Principal Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating79 US tons
Inventory rating47 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadUnknown
Structure length177 ft (54.1 m)
Longest span86 ft (26.2 m)
Deck width39 ft (11.9 m)
Roadway width25 ft (7.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic30 (2021)
Projected traffic35 by 2031
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed8.1 mi (13 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerAir Force
Maintained byAir Force
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 Yuma St. over S. Kolb Rd. built?

It was built in 2010, making it 15 years old in 2025.

What condition is Yuma St. over S. Kolb Rd. in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in December 2024.

How much traffic does Yuma St. over S. Kolb Rd. carry?

About 30 vehicles per day (2021 count).

How long is Yuma St. over S. Kolb Rd.?

The structure is 177 ft (54.1 m) long with a longest span of 86 ft (26.2 m) and a deck 39 ft wide.

Who owns Yuma St. over S. Kolb Rd.?

It is owned by the Air Force.