US Bridges

I-25 Nbl over Unnamed Waterway

Fair

Socorro County, New Mexico · 2.8 MI N of JCT NM-107 · Structure no. 000000000006865

Built
1966
59 years old
Condition
Fair
inspected February 2023
Type
Culvert
Concrete
Length
42 ft
5 main spans
Daily traffic
6,438
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 Socorro 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 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 6,438 vehicles a day, roughly 45% of them trucks, projected to reach 8,755 by 2043. The structure is 42 ft (12.9 m) long. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesI-25 Nbl
CrossesUnnamed Waterway
Location2.8 MI N of JCT NM-107
RouteInterstate 25
CountySocorro County
StateNew Mexico
Coordinates33.66543, -107.08627
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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating55.8 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans5
Design loadHS 20
Structure length42 ft (12.9 m)
Longest span8 ft (2.4 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,438 (2023)
Projected traffic8,755 by 2043
Trucks45%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
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 proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was I-25 Nbl over Unnamed Waterway built?

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

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

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

About 6,438 vehicles per day (2023 count), of which roughly 45% are trucks.

How long is I-25 Nbl over Unnamed Waterway?

The structure is 42 ft (12.9 m) long with a longest span of 8 ft (2.4 m).

Who owns I-25 Nbl over Unnamed Waterway?

It is owned by the State Highway Agency.