US Bridges

Concho Highway over Wise Wash

Good

Navajo County, Arizona · 3.7 MI E JCT SR 77 · Structure no. 09902

Built
1986
39 years old
Condition
Good
inspected May 2022
Type
Culvert
Concrete Continuous
Length
52 ft
6 main spans
Daily traffic
2,201
2018 count
Owner
County
County Highway Agency

About this bridge

Concho Highway over Wise Wash is a concrete continuous culvert carrying Concho Highway over Wise Wash in Navajo County, Arizona. It was built in 1986, so it is 39 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 2,201 vehicles a day, roughly 5% of them trucks, projected to reach 2,211 by 2038. The structure is 52 ft (15.8 m) long and 33 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

Location

Open in Google Maps
CarriesConcho Highway
CrossesWise Wash
Location3.7 MI E JCT SR 77
RouteCounty Highway 0
CountyNavajo County
StateArizona
Coordinates34.5399, -110.0306
Functional classRural Major Collector

Condition and inspection

Good

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

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionMay 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating52 US tons
Inventory rating31 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans6
Design loadHS 20
Structure length52 ft (15.8 m)
Longest span8 ft (2.4 m)
Deck width33 ft (10 m)
Roadway width31 ft (9.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,201 (2018)
Projected traffic2,211 by 2038
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed98.8 mi (159 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$1,000 (2018 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Concho Highway over Wise Wash built?

It was built in 1986, making it 39 years old in 2025.

What condition is Concho Highway over Wise 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 2022.

How much traffic does Concho Highway over Wise Wash carry?

About 2,201 vehicles per day (2018 count), of which roughly 5% are trucks.

How long is Concho Highway over Wise Wash?

The structure is 52 ft (15.8 m) long with a longest span of 8 ft (2.4 m) and a deck 33 ft wide.

Who owns Concho Highway over Wise Wash?

It is owned by the County Highway Agency.