US Bridges

Pulpmill Road over Cottonwood Wash

Good

Navajo County, Arizona · 8.5 MI N JCT SR 260 · Structure no. 08652

Built
1981
44 years old
Condition
Good
inspected May 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
206 ft
2 main spans
Daily traffic
260
2022 count
Owner
County
County Highway Agency

About this bridge

Pulpmill Road over Cottonwood Wash is a prestressed concrete continuous stringer/multi-beam or girder carrying Pulpmill Road over Cottonwood Wash in Navajo County, Arizona. It was built in 1981, so it is 44 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 260 vehicles a day, roughly 10% of them trucks, projected to reach 270 by 2042. The structure is 206 ft (62.8 m) long and 31 ft wide. If it were closed, the detour would be 29.8 mi (48 km).

Location

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CarriesPulpmill Road
CrossesCottonwood Wash
Location8.5 MI N JCT SR 260
RouteCounty Highway 0
CountyNavajo County
StateArizona
Coordinates34.4597, -110.27398
Functional classRural Minor Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating88 US tons
Inventory rating36 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length206 ft (62.8 m)
Longest span101 ft (30.8 m)
Deck width31 ft (9.4 m)
Roadway width28 ft (8.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic260 (2022)
Projected traffic270 by 2042
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed29.8 mi (48 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 Pulpmill Road over Cottonwood Wash built?

It was built in 1981, making it 44 years old in 2025.

What condition is Pulpmill Road over Cottonwood 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 May 2024.

How much traffic does Pulpmill Road over Cottonwood Wash carry?

About 260 vehicles per day (2022 count), of which roughly 10% are trucks.

How long is Pulpmill Road over Cottonwood Wash?

The structure is 206 ft (62.8 m) long with a longest span of 101 ft (30.8 m) and a deck 31 ft wide.

Who owns Pulpmill Road over Cottonwood Wash?

It is owned by the County Highway Agency.