US Bridges

County Complex DR over Wash

Fair

Navajo County, Arizona · 0.1 MI E JCT SR 77 · Structure no. 08779

Built
1976
49 years old
Condition
Fair
inspected May 2022
Type
Culvert
Concrete Continuous
Length
37 ft
3 main spans
Daily traffic
863
2022 count
Owner
County
County Highway Agency

About this bridge

County Complex DR over Wash is a concrete continuous culvert carrying County Complex DR over Wash in Navajo County, Arizona. It was built in 1976, so it is 49 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 863 vehicles a day, roughly 2% of them trucks, projected to reach 873 by 2042. The structure is 37 ft (11.3 m) long and 34 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesCounty Complex DR
CrossesWash
Location0.1 MI E JCT SR 77
RouteCounty Highway 0
StateArizona
Coordinates34.8688, -110.1587
Functional classRural Local

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 inspectionMay 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to 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 rating60 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length37 ft (11.3 m)
Longest span10 ft (3 m)
Deck width34 ft (10.4 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic863 (2022)
Projected traffic873 by 2042
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 County Complex DR over Wash built?

It was built in 1976, making it 49 years old in 2025.

What condition is County Complex DR over 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 May 2022.

How much traffic does County Complex DR over Wash carry?

About 863 vehicles per day (2022 count), of which roughly 2% are trucks.

How long is County Complex DR over Wash?

The structure is 37 ft (11.3 m) long with a longest span of 10 ft (3 m) and a deck 34 ft wide.

Who owns County Complex DR over Wash?

It is owned by the County Highway Agency.