US Bridges

NM-65 over Hill Side

Fair

San Miguel County, New Mexico · 5.1 MI NW of Mills Ave · Structure no. 000000000008598

Built
1990
35 years old
Condition
Fair
inspected July 2024
Type
Slab
Concrete Continuous
Length
641 ft
17 main spans
Daily traffic
81
2023 count
Owner
State
State Highway Agency

About this bridge

NM-65 over Hill Side is a concrete continuous slab carrying NM-65 over Hill Side in San Miguel County, New Mexico. It was built in 1990, so it is 35 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 81 vehicles a day, roughly 11% of them trucks, projected to reach 110 by 2043. The structure is 641 ft (195.4 m) long and 39 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesNM-65
CrossesHill Side
Location5.1 MI NW of Mills Ave
RouteState Highway 65
Coordinates35.65263, -105.28235
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating61.6 US tons
Inventory rating36.8 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans17
Design loadHS 20
Structure length641 ft (195.4 m)
Longest span20 ft (6.1 m)
Deck width39 ft (11.9 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic81 (2023)
Projected traffic110 by 2043
Trucks11%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesOther
Detour if closed1.2 mi (2 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-65 over Hill Side built?

It was built in 1990, making it 35 years old in 2025.

What condition is NM-65 over Hill Side 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 July 2024.

How much traffic does NM-65 over Hill Side carry?

About 81 vehicles per day (2023 count), of which roughly 11% are trucks.

How long is NM-65 over Hill Side?

The structure is 641 ft (195.4 m) long with a longest span of 20 ft (6.1 m) and a deck 39 ft wide.

Who owns NM-65 over Hill Side?

It is owned by the State Highway Agency.