US Bridges

NM-592 over Unnamed Waterway

Fair

Santa Fe County, New Mexico · 1.5 MI E of JCT Sfcr 73 · Structure no. 000000000006659

Built
1965
60 years old
Condition
Fair
inspected October 2023
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
25 ft
1 main span
Daily traffic
1,212
2023 count
Owner
State
State Highway Agency

About this bridge

NM-592 over Unnamed Waterway is a wood or timber stringer/multi-beam or girder carrying NM-592 over Unnamed Waterway in Santa Fe County, New Mexico. It was built in 1965, so it is 60 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 1,212 vehicles a day, roughly 11% of them trucks, projected to reach 1,648 by 2043. The structure is 25 ft (7.6 m) long and 24 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

CarriesNM-592
CrossesUnnamed Waterway
Location1.5 MI E of JCT Sfcr 73
RouteState Highway 592
Coordinates35.79567, -105.92898
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 inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating37.5 US tons
Inventory rating26.8 US tons

Structure

MaterialWood or Timber
DeckWood or timber
Main spans1
Design loadH 15
Structure length25 ft (7.6 m)
Longest span25 ft (7.6 m)
Deck width24 ft (7.3 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,212 (2023)
Projected traffic1,648 by 2043
Trucks11%
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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$102,000 (2030 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was NM-592 over Unnamed Waterway built?

It was built in 1965, making it 60 years old in 2025.

What condition is NM-592 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 October 2023.

How much traffic does NM-592 over Unnamed Waterway carry?

About 1,212 vehicles per day (2023 count), of which roughly 11% are trucks.

How long is NM-592 over Unnamed Waterway?

The structure is 25 ft (7.6 m) long with a longest span of 25 ft (7.6 m) and a deck 24 ft wide.

Who owns NM-592 over Unnamed Waterway?

It is owned by the State Highway Agency.