US Bridges

US-70 Wbl over Unnamed Waterway

Good

Otero County, New Mexico · 6.29 MI SW of US-54/ALAMO · Structure no. 000000000002198

Built
1937
88 years old, rebuilt 2014
Condition
Good
inspected April 2024
Type
Culvert
Concrete
Length
134 ft
20 main spans
Daily traffic
17,337
2023 count
Owner
State
State Highway Agency

About this bridge

US-70 Wbl over Unnamed Waterway is a concrete culvert carrying US-70 Wbl over Unnamed Waterway in Otero County, New Mexico. It was built in 1937 and reconstructed in 2014, so it is 88 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 good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 17,337 vehicles a day, roughly 17% of them trucks, projected to reach 23,578 by 2043. The structure is 134 ft (40.8 m) long.

CarriesUS-70 Wbl
CrossesUnnamed Waterway
Location6.29 MI SW of US-54/ALAMO
RouteU.S. Route 70
Coordinates32.83248, -106.0663
Functional classUrban Other Principal Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating44.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans20
Design loadHS 20
Structure length134 ft (40.8 m)
Longest span68 ft (20.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic17,337 (2023)
Projected traffic23,578 by 2043
Trucks17%
Lanes on structure3
Traffic directionOne-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$28,000 (2020 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was US-70 Wbl over Unnamed Waterway built?

It was built in 1937, making it 88 years old in 2025. It was reconstructed in 2014.

What condition is US-70 Wbl over Unnamed Waterway in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in April 2024.

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

About 17,337 vehicles per day (2023 count), of which roughly 17% are trucks.

How long is US-70 Wbl over Unnamed Waterway?

The structure is 134 ft (40.8 m) long with a longest span of 68 ft (20.7 m).

Who owns US-70 Wbl over Unnamed Waterway?

It is owned by the State Highway Agency.