US Bridges

Columbus Blvd. over Columbus Wash

Good

Pima County, Arizona · 0.2 MI S JCT Ft Lowell RD · Structure no. 10291

Built
1996
29 years old
Condition
Good
inspected March 2023
Type
Culvert
Concrete Continuous
Length
36 ft
4 main spans
Daily traffic
4,135
2022 count
Owner
City
City or Municipal Highway Agency

About this bridge

Columbus Blvd. over Columbus Wash is a concrete continuous culvert carrying Columbus Blvd. over Columbus Wash in Pima County, Arizona. It was built in 1996, so it is 29 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 4,135 vehicles a day, roughly 5% of them trucks, projected to reach 4,145 by 2022. The structure is 36 ft (11 m) long. If it were closed, the detour would be 1.2 mi (2 km).

CarriesColumbus Blvd.
CrossesColumbus Wash
Location0.2 MI S JCT Ft Lowell RD
RouteCity Street 0
StateArizona
Coordinates32.2615, -110.9011
Functional classUrban Collector

Condition and inspection

Good

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

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionMarch 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating81 US tons
Inventory rating48 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans4
Design loadHS 20
Structure length36 ft (11 m)
Longest span8 ft (2.4 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,135 (2022)
Projected traffic4,145 by 2022
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 Columbus Blvd. over Columbus Wash built?

It was built in 1996, making it 29 years old in 2025.

What condition is Columbus Blvd. over Columbus Wash 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 March 2023.

How much traffic does Columbus Blvd. over Columbus Wash carry?

About 4,135 vehicles per day (2022 count), of which roughly 5% are trucks.

How long is Columbus Blvd. over Columbus Wash?

The structure is 36 ft (11 m) long with a longest span of 8 ft (2.4 m).

Who owns Columbus Blvd. over Columbus Wash?

It is owned by the City or Municipal Highway Agency.