US Bridges

Anderson Road over Wash

Fair

Pinal County, Arizona · 75 Ft N Maricopa-Cg HWY · Structure no. 07850

Built
1980
45 years old
Condition
Fair
inspected October 2021
Type
Culvert
Steel
Length
28 ft
3 main spans
Daily traffic
925
2021 count
Owner
County
County Highway Agency

About this bridge

Anderson Road over Wash is a steel culvert carrying Anderson Road over Wash in Pinal County, Arizona. It was built in 1980, so it is 45 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 925 vehicles a day, roughly 5% of them trucks, projected to reach 935 by 2041. The structure is 28 ft (8.5 m) long and 28 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesAnderson Road
CrossesWash
Location75 Ft N Maricopa-Cg HWY
RouteCity Street 0
CountyPinal County
StateArizona
Coordinates32.9837, -111.9291
Functional classRural Minor 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 inspectionOctober 2021
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating58 US tons
Inventory rating33 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length28 ft (8.5 m)
Longest span7 ft (2.1 m)
Deck width28 ft (8.4 m)
Roadway width27 ft (8.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic925 (2021)
Projected traffic935 by 2041
Trucks5%
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 Anderson Road over Wash built?

It was built in 1980, making it 45 years old in 2025.

What condition is Anderson Road 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 October 2021.

How much traffic does Anderson Road over Wash carry?

About 925 vehicles per day (2021 count), of which roughly 5% are trucks.

How long is Anderson Road over Wash?

The structure is 28 ft (8.5 m) long with a longest span of 7 ft (2.1 m) and a deck 28 ft wide.

Who owns Anderson Road over Wash?

It is owned by the County Highway Agency.