US Bridges

FR-2138 over I-25 Nbls/Sbls

Fair

San Miguel County, New Mexico · 1.7 M S of S Vegas Intrch · Structure no. 000000000007328

Built
1973
52 years old
Condition
Fair
inspected November 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
251 ft
4 main spans
Daily traffic
332
2023 count
Owner
State
State Highway Agency

About this bridge

FR-2138 over I-25 Nbls/Sbls is a prestressed concrete stringer/multi-beam or girder carrying FR-2138 over I-25 Nbls/Sbls in San Miguel County, New Mexico. It was built in 1973, so it is 52 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 332 vehicles a day, roughly 11% of them trucks, projected to reach 451 by 2043. The structure is 251 ft (76.5 m) long and 35 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

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CarriesFR-2138
CrossesI-25 Nbls/Sbls
Location1.7 M S of S Vegas Intrch
RouteState Highway 2138
CountySan Miguel County
StateNew Mexico
Coordinates35.54576, -105.22741
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 inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating66.8 US tons
Inventory rating39.6 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length251 ft (76.5 m)
Longest span85 ft (25.9 m)
Deck width35 ft (10.7 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic332 (2023)
Projected traffic451 by 2043
Trucks11%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.9 mi (3 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$500,000 (2080 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was FR-2138 over I-25 Nbls/Sbls built?

It was built in 1973, making it 52 years old in 2025.

What condition is FR-2138 over I-25 Nbls/Sbls 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 November 2024.

How much traffic does FR-2138 over I-25 Nbls/Sbls carry?

About 332 vehicles per day (2023 count), of which roughly 11% are trucks.

How long is FR-2138 over I-25 Nbls/Sbls?

The structure is 251 ft (76.5 m) long with a longest span of 85 ft (25.9 m) and a deck 35 ft wide.

Who owns FR-2138 over I-25 Nbls/Sbls?

It is owned by the State Highway Agency.