US Bridges

NM-39 over Mosquero Creek

Good

Harding County, New Mexico · 29.9 MI N of JCT US-54 · Structure no. 000000000009777

Built
2017
8 years old
Condition
Good
inspected April 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
222 ft
3 main spans
Daily traffic
138
2018 count
Owner
State
State Highway Agency

About this bridge

NM-39 over Mosquero Creek is a prestressed concrete continuous stringer/multi-beam or girder carrying NM-39 over Mosquero Creek in Harding County, New Mexico. It was built in 2017, so it is 8 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 138 vehicles a day, roughly 6% of them trucks, projected to reach 108 by 2038. The structure is 222 ft (67.7 m) long and 35 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

CarriesNM-39
CrossesMosquero Creek
Location29.9 MI N of JCT US-54
RouteState Highway 39
Coordinates35.67854, -103.74992
Functional classRural Minor Arterial

Condition and inspection

Good

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating67.5 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHL 93
Structure length222 ft (67.7 m)
Longest span93 ft (28.3 m)
Deck width35 ft (10.7 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic138 (2018)
Projected traffic108 by 2038
Trucks6%
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-39 over Mosquero Creek built?

It was built in 2017, making it 8 years old in 2025.

What condition is NM-39 over Mosquero Creek 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 April 2023.

How much traffic does NM-39 over Mosquero Creek carry?

About 138 vehicles per day (2018 count), of which roughly 6% are trucks.

How long is NM-39 over Mosquero Creek?

The structure is 222 ft (67.7 m) long with a longest span of 93 ft (28.3 m) and a deck 35 ft wide.

Who owns NM-39 over Mosquero Creek?

It is owned by the State Highway Agency.