US Bridges

Skyline Road over Racetrack Wash

Fair

Pima County, Arizona · 900 Ft W Orange Grove RD · Structure no. 07767

Built
1989
36 years old
Condition
Fair
inspected February 2024
Type
Culvert
Concrete Continuous
Length
28 ft
2 main spans
Daily traffic
31,634
2022 count
Owner
County
County Highway Agency

About this bridge

Skyline Road over Racetrack Wash is a concrete continuous culvert carrying Skyline Road over Racetrack Wash in Pima County, Arizona. It was built in 1989, so it is 36 years old, younger 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 31,634 vehicles a day, roughly 5% of them trucks, projected to reach 31,644 by 2042. The structure is 28 ft (8.5 m) long. If it were closed, the detour would be 9.9 mi (16 km).

Location

Open in Google Maps
CarriesSkyline Road
CrossesRacetrack Wash
Location900 Ft W Orange Grove RD
RouteCounty Highway 0
CountyPima County
StateArizona
Coordinates32.3276, -110.94073
Functional classUrban Other Principal 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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating89 US tons
Inventory rating53 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadHS 20
Structure length28 ft (8.5 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic31,634 (2022)
Projected traffic31,644 by 2042
Trucks5%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed9.9 mi (16 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Skyline Road over Racetrack Wash built?

It was built in 1989, making it 36 years old in 2025.

What condition is Skyline Road over Racetrack Wash 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 February 2024.

How much traffic does Skyline Road over Racetrack Wash carry?

About 31,634 vehicles per day (2022 count), of which roughly 5% are trucks.

How long is Skyline Road over Racetrack Wash?

The structure is 28 ft (8.5 m) long with a longest span of 10 ft (3 m).

Who owns Skyline Road over Racetrack Wash?

It is owned by the County Highway Agency.