US Bridges

NM-35 over Unnamed Waterway

Fair

Grant County, New Mexico · 8.6 MI N of JCT NM-152 · Structure no. 000000000001876

Built
1970
55 years old
Condition
Fair
inspected March 2023
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
23 ft
1 main span
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 1970, so it is 55 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 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 1,168 vehicles a day, roughly 11% of them trucks, projected to reach 1,588 by 2043. The structure is 23 ft (6.9 m) long and 29 ft wide. If it were closed, the detour would be 14.9 mi (24 km).

CarriesNM-35
CrossesUnnamed Waterway
Location8.6 MI N of JCT NM-152
RouteState Highway 35
Coordinates32.89843, -107.99934
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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating30.6 US tons
Inventory rating21.6 US tons

Structure

MaterialWood or Timber
DeckWood or timber
Main spans1
Design loadH 20
Structure length23 ft (6.9 m)
Longest span22 ft (6.7 m)
Deck width29 ft (8.8 m)
Roadway width28 ft (8.4 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 closed14.9 mi (24 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusPossibly eligible for the National Register; requires further investigation
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was NM-35 over Unnamed Waterway built?

It was built in 1970, making it 55 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 March 2023.

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 23 ft (6.9 m) long with a longest span of 22 ft (6.7 m) and a deck 29 ft wide.

Who owns NM-35 over Unnamed Waterway?

It is owned by the State Highway Agency.