US Bridges

US-380 over Unnamed Waterway

Fair

Socorro County, New Mexico · 16.8 MI E of NM-525 · Structure no. 000000000005374

Built
1947
78 years old
Condition
Fair
inspected December 2024
Type
Culvert
Concrete
Length
26 ft
3 main spans
Daily traffic
1,831
2023 count
Owner
State
State Highway Agency

About this bridge

US-380 over Unnamed Waterway is a concrete culvert carrying US-380 over Unnamed Waterway in Socorro County, New Mexico. It was built in 1947, so it is 78 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 1,831 vehicles a day, roughly 11% of them trucks, projected to reach 2,490 by 2043. The structure is 26 ft (8 m) long. If it were closed, the detour would be 98.8 mi (159 km).

CarriesUS-380
CrossesUnnamed Waterway
Location16.8 MI E of NM-525
RouteU.S. Route 380
Coordinates33.88849, -106.38145
Functional classRural Minor Arterial

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 protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionDecember 2024
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 rating66.6 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadHS 20
Structure length26 ft (8 m)
Longest span6 ft (1.8 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic1,831 (2023)
Projected traffic2,490 by 2043
Trucks11%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed98.8 mi (159 km)
TollOn a free road
National Highway SystemNo
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$95,000
NavigationNot applicable (no waterway)

Frequently asked questions

When was US-380 over Unnamed Waterway built?

It was built in 1947, making it 78 years old in 2025.

What condition is US-380 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 December 2024.

How much traffic does US-380 over Unnamed Waterway carry?

About 1,831 vehicles per day (2023 count), of which roughly 11% are trucks.

How long is US-380 over Unnamed Waterway?

The structure is 26 ft (8 m) long with a longest span of 6 ft (1.8 m).

Who owns US-380 over Unnamed Waterway?

It is owned by the State Highway Agency.