US Bridges

Parks-Wgn Wheel RD over Small Wash

Fair

Coconino County, Arizona · 1.1 MI E Pittman Vly RD · Structure no. 08079

Built
1929
96 years old, rebuilt 1940
Condition
Fair
inspected August 2024
Type
Culvert
Concrete Continuous
Length
54 ft
5 main spans
Daily traffic
135
2024 count
Owner
County
County Highway Agency

About this bridge

Parks-Wgn Wheel RD over Small Wash is a concrete continuous culvert carrying Parks-Wgn Wheel RD over Small Wash in Coconino County, Arizona. It was built in 1929 and reconstructed in 1940, so it is 96 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 5 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 135 vehicles a day, roughly 1% of them trucks, projected to reach 145 by 2042. The structure is 54 ft (16.5 m) long and 43 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

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CarriesParks-Wgn Wheel RD
CrossesSmall Wash
Location1.1 MI E Pittman Vly RD
RouteCounty Highway 0
CountyCoconino County
StateArizona
Coordinates35.264, -112.0325
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.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating54 US tons
Inventory rating32 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans5
Design loadH 15
Structure length54 ft (16.5 m)
Longest span10 ft (3 m)
Deck width43 ft (13.2 m)
Roadway width41 ft (12.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic135 (2024)
Projected traffic145 by 2042
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 Parks-Wgn Wheel RD over Small Wash built?

It was built in 1929, making it 96 years old in 2025. It was reconstructed in 1940.

What condition is Parks-Wgn Wheel RD over Small 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 2024.

How much traffic does Parks-Wgn Wheel RD over Small Wash carry?

About 135 vehicles per day (2024 count), of which roughly 1% are trucks.

How long is Parks-Wgn Wheel RD over Small Wash?

The structure is 54 ft (16.5 m) long with a longest span of 10 ft (3 m) and a deck 43 ft wide.

Who owns Parks-Wgn Wheel RD over Small Wash?

It is owned by the County Highway Agency.