US Bridges

Steven Loop over Medium Wash

FairPosted for load

Greenlee County, Arizona · 0.7 MI W JCT SR 75 · Structure no. 08144

Built
1935
90 years old
Condition
Fair
inspected August 2023
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
39 ft
2 main spans
Daily traffic
188
2022 count
Owner
County
County Highway Agency

About this bridge

Steven Loop over Medium Wash is a wood or timber stringer/multi-beam or girder carrying Steven Loop over Medium Wash in Greenlee County, Arizona. It was built in 1935, so it is 90 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 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for load restriction.

It carries about 188 vehicles a day, roughly 5% of them trucks, projected to reach 198 by 2042. The structure is 39 ft (11.9 m) long and 21 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesSteven Loop
CrossesMedium Wash
Location0.7 MI W JCT SR 75
RouteCounty Highway 0
CountyGreenlee County
StateArizona
Coordinates32.74811, -109.12129
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating39 US tons
Inventory rating28 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialWood or Timber
DeckWood or timber
Main spans2
Design loadH 15
Structure length39 ft (11.9 m)
Longest span19 ft (5.8 m)
Deck width21 ft (6.3 m)
Roadway width19 ft (5.8 m)
Vertical clearance over deck30 ft (9.1 m)

Traffic and service

Average daily traffic188 (2022)
Projected traffic198 by 2042
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 (2019 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Steven Loop over Medium Wash built?

It was built in 1935, making it 90 years old in 2025.

What condition is Steven Loop over Medium 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 August 2023.

How much traffic does Steven Loop over Medium Wash carry?

About 188 vehicles per day (2022 count), of which roughly 5% are trucks.

How long is Steven Loop over Medium Wash?

The structure is 39 ft (11.9 m) long with a longest span of 19 ft (5.8 m) and a deck 21 ft wide.

Who owns Steven Loop over Medium Wash?

It is owned by the County Highway Agency.