US Bridges

US-380 over Unnamed Waterway

Fair

Socorro County, New Mexico · 4.7 MI E of I-25 · Structure no. 000000000003212

Built
1939
86 years old, rebuilt 1985
Condition
Fair
inspected February 2023
Type
Culvert
Concrete
Length
41 ft
4 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 1939 and reconstructed in 1985, so it is 86 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 41 ft (12.6 m) long and 42 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

CarriesUS-380
CrossesUnnamed Waterway
Location4.7 MI E of I-25
RouteU.S. Route 380
Coordinates33.90949, -106.80248
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 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 rating45 US tons
Inventory rating27 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans4
Design loadHS 20
Structure length41 ft (12.6 m)
Longest span10 ft (3 m)
Deck width42 ft (12.8 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
Strategic Highway NetworkNon-Interstate 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$308,000
NavigationNot applicable (no waterway)

Frequently asked questions

When was US-380 over Unnamed Waterway built?

It was built in 1939, making it 86 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 February 2023.

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 41 ft (12.6 m) long with a longest span of 10 ft (3 m) and a deck 42 ft wide.

Who owns US-380 over Unnamed Waterway?

It is owned by the State Highway Agency.