US Bridges

31-0020 over Salt Water Wash

Fair

McKinley County, New Mexico · 4.2 Mi. S. of Jct. Nm 118 · Structure no. 000000000009332

Built
2004
21 years old
Condition
Fair
inspected March 2024
Type
Culvert
Steel
Length
37 ft
5 main spans
Daily traffic
337
2023 count
Owner
County
County Highway Agency

About this bridge

31-0020 over Salt Water Wash is a steel culvert carrying 31-0020 over Salt Water Wash in McKinley County, New Mexico. It was built in 2004, so it is 21 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.

It carries about 337 vehicles a day, projected to reach 458 by 2043. The structure is 37 ft (11.2 m) long and 25 ft wide.

Location

Open in Google Maps
Carries31-0020
CrossesSalt Water Wash
Location4.2 Mi. S. of Jct. Nm 118
RouteCounty Highway 31004
CountyMcKinley County
StateNew Mexico
Coordinates35.44399, -108.83889
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
Channel and channel protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating72 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans5
Design loadHS 20
Structure length37 ft (11.2 m)
Longest span7 ft (2.1 m)
Deck width25 ft (7.5 m)
Roadway width0 ft (0 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic337 (2023)
Projected traffic458 by 2043
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was 31-0020 over Salt Water Wash built?

It was built in 2004, making it 21 years old in 2025.

What condition is 31-0020 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 31-0020 over Salt Water Wash carry?

About 337 vehicles per day (2023 count).

How long is 31-0020 over Salt Water Wash?

The structure is 37 ft (11.2 m) long with a longest span of 7 ft (2.1 m) and a deck 25 ft wide.

Who owns 31-0020 over Salt Water Wash?

It is owned by the County Highway Agency.