US Bridges

NM-107 over I-25 Nbl and Sbl

Fair

Socorro County, New Mexico · Junction I-25 & NM-107 · Structure no. 000000000006781

Built
1968
57 years old
Condition
Fair
inspected March 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
296 ft
5 main spans
Daily traffic
242
2023 count
Owner
State
State Highway Agency

About this bridge

NM-107 over I-25 Nbl and Sbl is a prestressed concrete stringer/multi-beam or girder carrying NM-107 over I-25 Nbl and Sbl in Socorro County, New Mexico. It was built in 1968, so it is 57 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 242 vehicles a day, roughly 11% of them trucks, projected to reach 329 by 2043. The structure is 296 ft (90.2 m) long and 34 ft wide.

CarriesNM-107
CrossesI-25 Nbl and Sbl
LocationJunction I-25 & NM-107
RouteState Highway 107
Coordinates33.63686, -107.12089
Functional classRural Minor 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.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating59 US tons
Inventory rating35.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans5
Design loadHS 20
Structure length296 ft (90.2 m)
Longest span72 ft (21.9 m)
Deck width34 ft (10.4 m)
Roadway width31 ft (9.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic242 (2023)
Projected traffic329 by 2043
Trucks11%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed—
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$3,000 (2030 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was NM-107 over I-25 Nbl and Sbl built?

It was built in 1968, making it 57 years old in 2025.

What condition is NM-107 over I-25 Nbl and Sbl 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 2024.

How much traffic does NM-107 over I-25 Nbl and Sbl carry?

About 242 vehicles per day (2023 count), of which roughly 11% are trucks.

How long is NM-107 over I-25 Nbl and Sbl?

The structure is 296 ft (90.2 m) long with a longest span of 72 ft (21.9 m) and a deck 34 ft wide.

Who owns NM-107 over I-25 Nbl and Sbl?

It is owned by the State Highway Agency.