US Bridges

US-70/380 over Unnamed Waterway

Fair

Lincoln County, New Mexico · 0.8 M E JCT US-380/HONDO · Structure no. 000000000002045

Built
1938
87 years old, rebuilt 2004
Condition
Fair
inspected October 2024
Type
Culvert
Concrete
Length
28 ft
4 main spans
Daily traffic
5,313
2023 count
Owner
State
State Highway Agency

About this bridge

US-70/380 over Unnamed Waterway is a concrete culvert carrying US-70/380 over Unnamed Waterway in Lincoln County, New Mexico. It was built in 1938 and reconstructed in 2004, so it is 87 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 5,313 vehicles a day, roughly 11% of them trucks, projected to reach 7,225 by 2043. The structure is 28 ft (8.5 m) long.

Location

Open in Google Maps
CarriesUS-70/380
CrossesUnnamed Waterway
Location0.8 M E JCT US-380/HONDO
RouteU.S. Route 70
CountyLincoln County
StateNew Mexico
Coordinates33.38309, -105.26348
Functional classRural Principal Arterial - Other

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 inspectionOctober 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating44.6 US tons
Inventory rating26.8 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans4
Design loadH 15
Structure length28 ft (8.5 m)
Longest span6 ft (1.8 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,313 (2023)
Projected traffic7,225 by 2043
Trucks11%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
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$101,000 (2020 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was US-70/380 over Unnamed Waterway built?

It was built in 1938, making it 87 years old in 2025. It was reconstructed in 2004.

What condition is US-70/380 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 October 2024.

How much traffic does US-70/380 over Unnamed Waterway carry?

About 5,313 vehicles per day (2023 count), of which roughly 11% are trucks.

How long is US-70/380 over Unnamed Waterway?

The structure is 28 ft (8.5 m) long with a longest span of 6 ft (1.8 m).

Who owns US-70/380 over Unnamed Waterway?

It is owned by the State Highway Agency.