US Bridges

FR-2123 over I-25 Nbs/Sbl

Fair

San Miguel County, New Mexico · 2.7 MI S of JCT NM-3 · Structure no. 000000000006586

Built
1966
59 years old, rebuilt 1988
Condition
Fair
inspected March 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
331 ft
5 main spans
Daily traffic
683
2023 count
Owner
State
State Highway Agency

About this bridge

FR-2123 over I-25 Nbs/Sbl is a steel continuous stringer/multi-beam or girder carrying FR-2123 over I-25 Nbs/Sbl in San Miguel County, New Mexico. It was built in 1966 and reconstructed in 1988, so it is 59 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 683 vehicles a day, roughly 11% of them trucks, projected to reach 928 by 2043. The structure is 331 ft (100.9 m) long and 31 ft wide.

Location

Open in Google Maps
CarriesFR-2123
CrossesI-25 Nbs/Sbl
Location2.7 MI S of JCT NM-3
RouteState Highway 2123
CountySan Miguel County
StateNew Mexico
Coordinates35.40617, -105.49238
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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating53.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans5
Design loadHS 20
Structure length331 ft (100.9 m)
Longest span75 ft (22.9 m)
Deck width31 ft (9.6 m)
Roadway width29 ft (8.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic683 (2023)
Projected traffic928 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 proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was FR-2123 over I-25 Nbs/Sbl built?

It was built in 1966, making it 59 years old in 2025. It was reconstructed in 1988.

What condition is FR-2123 over I-25 Nbs/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 2023.

How much traffic does FR-2123 over I-25 Nbs/Sbl carry?

About 683 vehicles per day (2023 count), of which roughly 11% are trucks.

How long is FR-2123 over I-25 Nbs/Sbl?

The structure is 331 ft (100.9 m) long with a longest span of 75 ft (22.9 m) and a deck 31 ft wide.

Who owns FR-2123 over I-25 Nbs/Sbl?

It is owned by the State Highway Agency.