US Bridges

US-70 over Unnamed Waterway

Fair

Lincoln County, New Mexico · 4.6 MI W JCT US-380/HONDO · Structure no. 000000000007062

Built
1968
57 years old
Condition
Fair
inspected January 2023
Type
Culvert
Concrete
Length
24 ft
2 main spans
Daily traffic
3,728
2023 count
Owner
State
State Highway Agency

About this bridge

US-70 over Unnamed Waterway is a concrete culvert carrying US-70 over Unnamed Waterway in Lincoln County, New Mexico. It was built in 1968, so it is 57 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 3,728 vehicles a day, roughly 17% of them trucks, projected to reach 5,070 by 2043. The structure is 24 ft (7.3 m) long.

CarriesUS-70
CrossesUnnamed Waterway
Location4.6 MI W JCT US-380/HONDO
RouteU.S. Route 70
Coordinates33.41318, -105.34709
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 inspectionJanuary 2023
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 alignment8: Equal to present desirable criteria
Operating rating98.2 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20
Structure length24 ft (7.3 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 traffic3,728 (2023)
Projected traffic5,070 by 2043
Trucks17%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
TollOn a free road
National Highway SystemYes
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 proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was US-70 over Unnamed Waterway built?

It was built in 1968, making it 57 years old in 2025.

What condition is US-70 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 January 2023.

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

About 3,728 vehicles per day (2023 count), of which roughly 17% are trucks.

How long is US-70 over Unnamed Waterway?

The structure is 24 ft (7.3 m) long with a longest span of 10 ft (3 m).

Who owns US-70 over Unnamed Waterway?

It is owned by the State Highway Agency.