US Bridges

Airport Road over Under Tidwell Wash

Fair

Graham County, Arizona · 0.3 MI N JCT Sanchez RD · Structure no. 07623

Built
1988
37 years old
Condition
Fair
inspected August 2023
Type
Culvert
Concrete Continuous
Length
86 ft
8 main spans
Daily traffic
300
2021 count
Owner
County
County Highway Agency

About this bridge

Airport Road over Under Tidwell Wash is a concrete continuous culvert carrying Airport Road over Under Tidwell Wash in Graham County, Arizona. It was built in 1988, so it is 37 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 300 vehicles a day, roughly 5% of them trucks, projected to reach 310 by 2041. The structure is 86 ft (26.2 m) long. If it were closed, the detour would be 3.7 mi (6 km).

Location

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CarriesAirport Road
CrossesUnder Tidwell Wash
Location0.3 MI N JCT Sanchez RD
RouteCounty Highway 0
CountyGraham County
StateArizona
Coordinates32.83914, -109.62981
Functional classRural Major 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 protection7 GoodSome minor problems.
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
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating66 US tons
Inventory rating40 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans8
Design loadHS 20
Structure length86 ft (26.2 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 traffic300 (2021)
Projected traffic310 by 2041
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 Under Tidwell Wash built?

It was built in 1988, making it 37 years old in 2025.

What condition is Airport Road over Under Tidwell 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 Under Tidwell Wash carry?

About 300 vehicles per day (2021 count), of which roughly 5% are trucks.

How long is Airport Road over Under Tidwell Wash?

The structure is 86 ft (26.2 m) long with a longest span of 10 ft (3 m).

Who owns Airport Road over Under Tidwell Wash?

It is owned by the County Highway Agency.