US Bridges

I-25 Sbl over Frontage RD/FR2135

Fair

San Miguel County, New Mexico · 4.4 MI S US-84/ROMEROVILL · Structure no. 000000000006667

Built
1966
59 years old, rebuilt 1990
Condition
Fair
inspected August 2024
Type
Slab
Concrete Continuous
Length
94 ft
3 main spans
Daily traffic
8,817
2022 count
Owner
State
State Highway Agency

About this bridge

I-25 Sbl over Frontage RD/FR2135 is a concrete continuous slab carrying I-25 Sbl over Frontage RD/FR2135 in San Miguel County, New Mexico. It was built in 1966 and reconstructed in 1990, 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 8,817 vehicles a day, roughly 26% of them trucks, projected to reach 11,991 by 2042. The structure is 94 ft (28.7 m) long and 41 ft wide.

CarriesI-25 Sbl
CrossesFrontage RD/FR2135
Location4.4 MI S US-84/ROMEROVILL
RouteInterstate 25
Coordinates35.46087, -105.27737
Functional classRural Principal Arterial - Interstate

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 inspectionAugust 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 alignment8: Equal to present desirable criteria
Operating rating58 US tons
Inventory rating34.7 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length94 ft (28.7 m)
Longest span36 ft (11 m)
Deck width41 ft (12.5 m)
Roadway width38 ft (11.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,817 (2022)
Projected traffic11,991 by 2042
Trucks26%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed—
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

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 I-25 Sbl over Frontage RD/FR2135 built?

It was built in 1966, making it 59 years old in 2025. It was reconstructed in 1990.

What condition is I-25 Sbl over Frontage RD/FR2135 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 August 2024.

How much traffic does I-25 Sbl over Frontage RD/FR2135 carry?

About 8,817 vehicles per day (2022 count), of which roughly 26% are trucks.

How long is I-25 Sbl over Frontage RD/FR2135?

The structure is 94 ft (28.7 m) long with a longest span of 36 ft (11 m) and a deck 41 ft wide.

Who owns I-25 Sbl over Frontage RD/FR2135?

It is owned by the State Highway Agency.