US Bridges

I-25 Nbl over Unnamed Waterway

Good

Santa Fe County, New Mexico · 1.60 MI S of JCT US-285 · Structure no. 000000000007567

Built
1974
51 years old
Condition
Good
inspected January 2023
Type
Culvert
Concrete
Length
39 ft
3 main spans
Daily traffic
24,998
2023 count
Owner
State
State Highway Agency

About this bridge

I-25 Nbl over Unnamed Waterway is a concrete culvert carrying I-25 Nbl over Unnamed Waterway in Santa Fe County, New Mexico. It was built in 1974, so it is 51 years old, younger 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 24,998 vehicles a day, roughly 45% of them trucks, projected to reach 33,997 by 2043. The structure is 39 ft (12 m) long. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesI-25 Nbl
CrossesUnnamed Waterway
Location1.60 MI S of JCT US-285
RouteInterstate 25
CountySanta Fe County
StateNew Mexico
Coordinates35.57444, -105.89544
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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert7 GoodSome minor problems.
Last inspectionJanuary 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating71.7 US tons
Inventory rating35.3 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadHS 20
Structure length39 ft (12 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic24,998 (2023)
Projected traffic33,997 by 2043
Trucks45%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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$300,000 (2030 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was I-25 Nbl over Unnamed Waterway built?

It was built in 1974, making it 51 years old in 2025.

What condition is I-25 Nbl over Unnamed Waterway 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 January 2023.

How much traffic does I-25 Nbl over Unnamed Waterway carry?

About 24,998 vehicles per day (2023 count), of which roughly 45% are trucks.

How long is I-25 Nbl over Unnamed Waterway?

The structure is 39 ft (12 m) long with a longest span of 10 ft (3 m).

Who owns I-25 Nbl over Unnamed Waterway?

It is owned by the State Highway Agency.