US Bridges

31-0032 over Salt Water Wash

FairPosted for load

McKinley County, New Mexico · .96 M S NM118/PORT Entry · Structure no. 000000000009024

Built
1997
28 years old
Condition
Fair
inspected March 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
81 ft
5 main spans
Daily traffic
337
2023 count
Owner
County
County Highway Agency

About this bridge

31-0032 over Salt Water Wash is a steel continuous stringer/multi-beam or girder carrying 31-0032 over Salt Water Wash in McKinley County, New Mexico. It was built in 1997, so it is 28 years old, younger than the New Mexico average of 51.5 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. Its operating status is: posted for other load-capacity restriction.

It carries about 337 vehicles a day, projected to reach 458 by 2043. The structure is 81 ft (24.7 m) long and 14 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
Carries31-0032
CrossesSalt Water Wash
Location.96 M S NM118/PORT Entry
RouteCounty Highway 31032
CountyMcKinley County
StateNew Mexico
Coordinates35.47468, -108.89175
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMarch 2024
Inspection intervalevery 12 months
Operating statusPosted for other load-capacity restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation6: Equal to present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating87.5 US tons
Inventory rating48.2 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckOpen grating
Main spans5
Design loadUnknown
Structure length81 ft (24.7 m)
Longest span20 ft (6.1 m)
Deck width14 ft (4.3 m)
Roadway width12 ft (3.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic337 (2023)
Projected traffic458 by 2043
Trucks—
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$68,000 (2020 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was 31-0032 over Salt Water Wash built?

It was built in 1997, making it 28 years old in 2025.

What condition is 31-0032 over Salt Water 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 March 2024.

How much traffic does 31-0032 over Salt Water Wash carry?

About 337 vehicles per day (2023 count).

How long is 31-0032 over Salt Water Wash?

The structure is 81 ft (24.7 m) long with a longest span of 20 ft (6.1 m) and a deck 14 ft wide.

Who owns 31-0032 over Salt Water Wash?

It is owned by the County Highway Agency.