US Bridges

I-25 Nbl/Sbl over Local Road

Good

San Miguel County, New Mexico · 18.5 MI N of Santa Fe C/L · Structure no. 000000000006724

Built
1966
59 years old
Condition
Good
inspected July 2024
Type
Culvert
Concrete
Length
34 ft
1 main span
Daily traffic
10,100
2023 count
Owner
State
State Highway Agency

About this bridge

I-25 Nbl/Sbl over Local Road is a concrete culvert carrying I-25 Nbl/Sbl over Local Road in San Miguel County, New Mexico. It was built in 1966, 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 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 10,100 vehicles a day, roughly 45% of them trucks, projected to reach 13,736 by 2043. The structure is 34 ft (10.4 m) long. If it were closed, the detour would be 1.2 mi (2 km).

CarriesI-25 Nbl/Sbl
CrossesLocal Road
Location18.5 MI N of Santa Fe C/L
RouteInterstate 25
Coordinates35.40077, -105.47782
Functional classRural Principal Arterial - Interstate

Condition and inspection

Good

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

ComponentRatingMeaning
Culvert7 GoodSome minor problems.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating78.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHS 20
Structure length34 ft (10.4 m)
Longest span25 ft (7.6 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10,100 (2023)
Projected traffic13,736 by 2043
Trucks45%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 km)
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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$423,000 (2020 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was I-25 Nbl/Sbl over Local Road built?

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

What condition is I-25 Nbl/Sbl over Local Road 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 July 2024.

How much traffic does I-25 Nbl/Sbl over Local Road carry?

About 10,100 vehicles per day (2023 count), of which roughly 45% are trucks.

How long is I-25 Nbl/Sbl over Local Road?

The structure is 34 ft (10.4 m) long with a longest span of 25 ft (7.6 m).

Who owns I-25 Nbl/Sbl over Local Road?

It is owned by the State Highway Agency.