US Bridges

NM-193 over Unnamed Waterway

Fair

Colfax County, New Mexico · 2.1 MI S of JCT US-64 · Structure no. 000000000007528

Built
1974
51 years old
Condition
Fair
inspected May 2024
Type
Channel Beam
Concrete
Length
51 ft
2 main spans
Daily traffic
24
2023 count
Owner
State
State Highway Agency

About this bridge

NM-193 over Unnamed Waterway is a concrete channel beam carrying NM-193 over Unnamed Waterway in Colfax County, New Mexico. It was built in 1974, so it is 51 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 5 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 24 vehicles a day, roughly 8% of them trucks, projected to reach 32 by 2043. The structure is 51 ft (15.5 m) long and 30 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

Location

Open in Google Maps
CarriesNM-193
CrossesUnnamed Waterway
Location2.1 MI S of JCT US-64
RouteState Highway 193
CountyColfax County
StateNew Mexico
Coordinates36.75943, -104.24937
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.
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 inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating68.8 US tons
Inventory rating41.2 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans2
Design loadHS 20
Structure length51 ft (15.5 m)
Longest span24 ft (7.3 m)
Deck width30 ft (9.2 m)
Roadway width29 ft (8.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic24 (2023)
Projected traffic32 by 2043
Trucks8%
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 proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was NM-193 over Unnamed Waterway built?

It was built in 1974, making it 51 years old in 2025.

What condition is NM-193 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 May 2024.

How much traffic does NM-193 over Unnamed Waterway carry?

About 24 vehicles per day (2023 count), of which roughly 8% are trucks.

How long is NM-193 over Unnamed Waterway?

The structure is 51 ft (15.5 m) long with a longest span of 24 ft (7.3 m) and a deck 30 ft wide.

Who owns NM-193 over Unnamed Waterway?

It is owned by the State Highway Agency.