US Bridges

NM-35 over Unnamed Waterway

Fair

Grant County, New Mexico · .4 MI N of JCT NM152/NM35 · Structure no. 000000000001330

Built
1924
101 years old
Condition
Fair
inspected April 2024
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
64 ft
2 main spans
Daily traffic
1,168
2023 count
Owner
State
State Highway Agency

About this bridge

NM-35 over Unnamed Waterway is a wood or timber stringer/multi-beam or girder carrying NM-35 over Unnamed Waterway in Grant County, New Mexico. It was built in 1924, so it is 101 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 1,168 vehicles a day, roughly 11% of them trucks, projected to reach 1,588 by 2043. The structure is 64 ft (19.5 m) long and 24 ft wide. If it were closed, the detour would be 28 mi (45 km).

CarriesNM-35
CrossesUnnamed Waterway
Location.4 MI N of JCT NM152/NM35
RouteState Highway 35
Coordinates32.80353, -107.93534
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating34.2 US tons
Inventory rating23.4 US tons

Structure

MaterialWood or Timber
DeckWood or timber
Main spans2
Design loadH 15
Structure length64 ft (19.5 m)
Longest span30 ft (9 m)
Deck width24 ft (7.4 m)
Roadway width23 ft (7.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,168 (2023)
Projected traffic1,588 by 2043
Trucks11%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed28 mi (45 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$106,000 (2030 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was NM-35 over Unnamed Waterway built?

It was built in 1924, making it 101 years old in 2025.

What condition is NM-35 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 April 2024.

How much traffic does NM-35 over Unnamed Waterway carry?

About 1,168 vehicles per day (2023 count), of which roughly 11% are trucks.

How long is NM-35 over Unnamed Waterway?

The structure is 64 ft (19.5 m) long with a longest span of 30 ft (9 m) and a deck 24 ft wide.

Who owns NM-35 over Unnamed Waterway?

It is owned by the State Highway Agency.