US Bridges

NM-293 over Unnamed Waterway

Fair

Grant County, New Mexico · 3.1 M. North of Junction · Structure no. 000000000001891

Built
1920
105 years old
Condition
Fair
inspected March 2023
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
67 ft
3 main spans
Daily traffic
257
2023 count
Owner
State
State Highway Agency

About this bridge

NM-293 over Unnamed Waterway is a wood or timber stringer/multi-beam or girder carrying NM-293 over Unnamed Waterway in Grant County, New Mexico. It was built in 1920, so it is 105 years old, older 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 257 vehicles a day, roughly 12% of them trucks, projected to reach 349 by 2043. The structure is 67 ft (20.5 m) long and 22 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

Location

Open in Google Maps
CarriesNM-293
CrossesUnnamed Waterway
Location3.1 M. North of Junction
RouteState Highway 293
CountyGrant County
StateNew Mexico
Coordinates33.0057, -108.5684
Functional classRural Minor Collector

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 protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating34.2 US tons
Inventory rating19.8 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialWood or Timber
DeckWood or timber
Main spans3
Design loadHS 20
Structure length67 ft (20.5 m)
Longest span23 ft (7 m)
Deck width22 ft (6.8 m)
Roadway width21 ft (6.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic257 (2023)
Projected traffic349 by 2043
Trucks12%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed98.8 mi (159 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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$589,000
NavigationNo navigation control on waterway

Frequently asked questions

When was NM-293 over Unnamed Waterway built?

It was built in 1920, making it 105 years old in 2025.

What condition is NM-293 over Unnamed Waterway 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 2023.

How much traffic does NM-293 over Unnamed Waterway carry?

About 257 vehicles per day (2023 count), of which roughly 12% are trucks.

How long is NM-293 over Unnamed Waterway?

The structure is 67 ft (20.5 m) long with a longest span of 23 ft (7 m) and a deck 22 ft wide.

Who owns NM-293 over Unnamed Waterway?

It is owned by the State Highway Agency.