US Bridges

US 70 over Railroad Wash

Fair

Greenlee County, Arizona · 3.0 MI E JCT SR 75 · Structure no. 00886

Built
1966
59 years old
Condition
Fair
inspected August 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
86 ft
1 main span
Daily traffic
1,056
2022 count
Owner
State
State Highway Agency

About this bridge

US 70 over Railroad Wash is a prestressed concrete box beam or girders - multiple carrying US 70 over Railroad Wash in Greenlee County, Arizona. It was built in 1966, so it is 59 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 1,056 vehicles a day, roughly 28% of them trucks, projected to reach 1,066 by 2042. The structure is 86 ft (26.2 m) long and 43 ft wide. If it were closed, the detour would be 16.8 mi (27 km).

Location

Open in Google Maps
CarriesUS 70
CrossesRailroad Wash
Location3.0 MI E JCT SR 75
RouteU.S. Route 70
CountyGreenlee County
StateArizona
Coordinates32.68491, -109.08284
Functional classRural Minor Arterial

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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating85 US tons
Inventory rating39 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length86 ft (26.2 m)
Longest span83 ft (25.3 m)
Deck width43 ft (13 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,056 (2022)
Projected traffic1,066 by 2042
Trucks28%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed16.8 mi (27 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 US 70 over Railroad Wash built?

It was built in 1966, making it 59 years old in 2025.

What condition is US 70 over Railroad 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 US 70 over Railroad Wash carry?

About 1,056 vehicles per day (2022 count), of which roughly 28% are trucks.

How long is US 70 over Railroad Wash?

The structure is 86 ft (26.2 m) long with a longest span of 83 ft (25.3 m) and a deck 43 ft wide.

Who owns US 70 over Railroad Wash?

It is owned by the State Highway Agency.