US Bridges

NM-169 over Unnamed Waterway

Good

Socorro County, New Mexico · 23.45 MI N of JCT US-60 · Structure no. 000000000008319

Built
1980
45 years old
Condition
Good
inspected November 2024
Type
Culvert
Concrete
Length
35 ft
3 main spans
Daily traffic
860
2023 count
Owner
State
State Highway Agency

About this bridge

NM-169 over Unnamed Waterway is a concrete culvert carrying NM-169 over Unnamed Waterway in Socorro County, New Mexico. It was built in 1980, so it is 45 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 good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 860 vehicles a day, roughly 11% of them trucks, projected to reach 1,169 by 2043. The structure is 35 ft (10.8 m) long. If it were closed, the detour would be 98.8 mi (159 km).

CarriesNM-169
CrossesUnnamed Waterway
Location23.45 MI N of JCT US-60
RouteState Highway 169
Coordinates34.34032, -107.48658
Functional classRural Minor Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert7 GoodSome minor problems.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating57.7 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadHS 20
Structure length35 ft (10.8 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic860 (2023)
Projected traffic1,169 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 proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was NM-169 over Unnamed Waterway built?

It was built in 1980, making it 45 years old in 2025.

What condition is NM-169 over Unnamed Waterway in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in November 2024.

How much traffic does NM-169 over Unnamed Waterway carry?

About 860 vehicles per day (2023 count), of which roughly 11% are trucks.

How long is NM-169 over Unnamed Waterway?

The structure is 35 ft (10.8 m) long with a longest span of 10 ft (3 m).

Who owns NM-169 over Unnamed Waterway?

It is owned by the State Highway Agency.