US Bridges

NM-165 over Unnamed Waterway

Fair

Sandoval County, New Mexico · 6.02 MI E of JCT I-25 · Structure no. 000000000005154

Built
1935
90 years old
Condition
Fair
inspected November 2021
Type
Culvert
Concrete
Length
23 ft
2 main spans
Daily traffic
3,433
2023 count
Owner
State
State Highway Agency

About this bridge

NM-165 over Unnamed Waterway is a concrete culvert carrying NM-165 over Unnamed Waterway in Sandoval County, New Mexico. It was built in 1935, so it is 90 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 3,433 vehicles a day, roughly 11% of them trucks, projected to reach 4,668 by 2043. The structure is 23 ft (7 m) long. If it were closed, the detour would be 49.7 mi (80 km).

Location

Open in Google Maps
CarriesNM-165
CrossesUnnamed Waterway
Location6.02 MI E of JCT I-25
RouteState Highway 165
CountySandoval County
StateNew Mexico
Coordinates35.30827, -106.43602
Functional classRural Major 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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2021
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 alignment8: Equal to present desirable criteria
Operating rating98.2 US tons
Inventory rating26.8 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 15
Structure length23 ft (7 m)
Longest span8 ft (2.4 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,433 (2023)
Projected traffic4,668 by 2043
Trucks11%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed49.7 mi (80 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$157,000 (2030 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was NM-165 over Unnamed Waterway built?

It was built in 1935, making it 90 years old in 2025.

What condition is NM-165 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 November 2021.

How much traffic does NM-165 over Unnamed Waterway carry?

About 3,433 vehicles per day (2023 count), of which roughly 11% are trucks.

How long is NM-165 over Unnamed Waterway?

The structure is 23 ft (7 m) long with a longest span of 8 ft (2.4 m).

Who owns NM-165 over Unnamed Waterway?

It is owned by the State Highway Agency.