US Bridges

US-380 over Unnamed Waterway

Fair

Socorro County, New Mexico · 3.6 MI E of Jct. I-25 · Structure no. 000000000003211

Built
1940
85 years old, rebuilt 1985
Condition
Fair
inspected July 2024
Type
Culvert
Concrete
Length
105 ft
10 main spans
Daily traffic
1,965
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 1940 and reconstructed in 1985, so it is 85 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 1,965 vehicles a day, roughly 11% of them trucks, projected to reach 2,672 by 2043. The structure is 105 ft (32.1 m) long. If it were closed, the detour would be 98.8 mi (159 km).

CarriesUS-380
CrossesUnnamed Waterway
Location3.6 MI E of Jct. I-25
RouteU.S. Route 380
Coordinates33.91117, -106.82019
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 inspectionJuly 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 rating59.4 US tons
Inventory rating27 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans10
Design loadH 15
Structure length105 ft (32.1 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 traffic1,965 (2023)
Projected traffic2,672 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

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$355,000
NavigationNot applicable (no waterway)

Frequently asked questions

When was US-380 over Unnamed Waterway built?

It was built in 1940, making it 85 years old in 2025. It was reconstructed in 1985.

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 July 2024.

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

About 1,965 vehicles per day (2023 count), of which roughly 11% are trucks.

How long is US-380 over Unnamed Waterway?

The structure is 105 ft (32.1 m) long with a longest span of 10 ft (3 m).

Who owns US-380 over Unnamed Waterway?

It is owned by the State Highway Agency.