US Bridges

15th Street over Railroad Wash

Good

Pima County, Arizona · 200 Ft W of Kino Blvd · Structure no. 08821

Built
1987
38 years old
Condition
Good
inspected August 2023
Type
Culvert
Concrete Continuous
Length
70 ft
4 main spans
Daily traffic
1,010
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

15th Street over Railroad Wash is a concrete continuous culvert carrying 15th Street over Railroad Wash in Pima County, Arizona. It was built in 1987, so it is 38 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 1,010 vehicles a day, roughly 10% of them trucks, projected to reach 1,020 by 2042. The structure is 70 ft (21.3 m) long and 88 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Carries15th Street
CrossesRailroad Wash
Location200 Ft W of Kino Blvd
RouteCity Street 0
StateArizona
Coordinates32.2154, -110.9469
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 inspectionAugust 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating99 US tons
Inventory rating99 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans4
Design loadHS 20
Structure length70 ft (21.3 m)
Longest span12 ft (3.7 m)
Deck width88 ft (26.7 m)
Roadway width64 ft (19.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,010 (2023)
Projected traffic1,020 by 2042
Trucks10%
Lanes on structure5
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 15th Street over Railroad Wash built?

It was built in 1987, making it 38 years old in 2025.

What condition is 15th Street over Railroad 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 August 2023.

How much traffic does 15th Street over Railroad Wash carry?

About 1,010 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is 15th Street over Railroad Wash?

The structure is 70 ft (21.3 m) long with a longest span of 12 ft (3.7 m) and a deck 88 ft wide.

Who owns 15th Street over Railroad Wash?

It is owned by the City or Municipal Highway Agency.