US Bridges

Airport Road over Wilson Wash

Fair

Graham County, Arizona · 1.4 MI E JCT 8th Ave · Structure no. 09331

Built
1950
75 years old, rebuilt 1986
Condition
Fair
inspected August 2023
Type
Culvert
Concrete Continuous
Length
44 ft
4 main spans
Daily traffic
1,000
2019 count
Owner
County
County Highway Agency

About this bridge

Airport Road over Wilson Wash is a concrete continuous culvert carrying Airport Road over Wilson Wash in Graham County, Arizona. It was built in 1950 and reconstructed in 1986, so it is 75 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.

It carries about 1,000 vehicles a day, roughly 5% of them trucks, projected to reach 1,010 by 2039. The structure is 44 ft (13.4 m) long and 48 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesAirport Road
CrossesWilson Wash
Location1.4 MI E JCT 8th Ave
RouteCounty Highway 0
CountyGraham County
StateArizona
Coordinates32.85783, -109.69417
Functional classUrban Collector

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 inspectionAugust 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry8: Equal to present desirable criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating53 US tons
Inventory rating32 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length44 ft (13.4 m)
Longest span10 ft (3 m)
Deck width48 ft (14.6 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,000 (2019)
Projected traffic1,010 by 2039
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 Airport Road over Wilson Wash built?

It was built in 1950, making it 75 years old in 2025. It was reconstructed in 1986.

What condition is Airport Road over Wilson 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 August 2023.

How much traffic does Airport Road over Wilson Wash carry?

About 1,000 vehicles per day (2019 count), of which roughly 5% are trucks.

How long is Airport Road over Wilson Wash?

The structure is 44 ft (13.4 m) long with a longest span of 10 ft (3 m) and a deck 48 ft wide.

Who owns Airport Road over Wilson Wash?

It is owned by the County Highway Agency.