US Bridges

SR 75 over Harris Wash

Good

Greenlee County, Arizona · 7.7 MI N JCT US 70 · Structure no. 04358

Built
1965
60 years old
Condition
Good
inspected August 2021
Type
Culvert
Concrete Continuous
Length
32 ft
3 main spans
Daily traffic
973
2020 count
Owner
State
State Highway Agency

About this bridge

SR 75 over Harris Wash is a concrete continuous culvert carrying SR 75 over Harris Wash in Greenlee County, Arizona. It was built in 1965, so it is 60 years old, older 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 973 vehicles a day, roughly 29% of them trucks, projected to reach 983 by 2040. The structure is 32 ft (9.8 m) long. If it were closed, the detour would be 52.8 mi (85 km).

Location

Open in Google Maps
CarriesSR 75
CrossesHarris Wash
Location7.7 MI N JCT US 70
RouteState Highway 75
CountyGreenlee County
StateArizona
Coordinates32.798, -109.164
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 inspectionAugust 2021
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating99 US tons
Inventory rating99 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans3
Design loadHS 20
Structure length32 ft (9.8 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic973 (2020)
Projected traffic983 by 2040
Trucks29%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed52.8 mi (85 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 SR 75 over Harris Wash built?

It was built in 1965, making it 60 years old in 2025.

What condition is SR 75 over Harris 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 August 2021.

How much traffic does SR 75 over Harris Wash carry?

About 973 vehicles per day (2020 count), of which roughly 29% are trucks.

How long is SR 75 over Harris Wash?

The structure is 32 ft (9.8 m) long with a longest span of 10 ft (3 m).

Who owns SR 75 over Harris Wash?

It is owned by the State Highway Agency.