US Bridges

US-70 over Unnamed Waterway

Good

Roosevelt County, New Mexico · 10.5 M SW JCT NM114/ELIDA · Structure no. 000000000002083

Built
1938
87 years old, rebuilt 1993
Condition
Good
inspected November 2022
Type
Culvert
Concrete
Length
34 ft
5 main spans
Daily traffic
1,847
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 Roosevelt County, New Mexico. It was built in 1938 and reconstructed in 1993, 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 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 1,847 vehicles a day, roughly 17% of them trucks, projected to reach 2,511 by 2043. The structure is 34 ft (10.4 m) long.

CarriesUS-70
CrossesUnnamed Waterway
Location10.5 M SW JCT NM114/ELIDA
RouteU.S. Route 70
Coordinates33.8365, -103.78496
Functional classRural Principal Arterial - Other

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 protection8 Very GoodNo problems noted.
Culvert7 GoodSome minor problems.
Last inspectionNovember 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating44.6 US tons
Inventory rating26.8 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans5
Design loadH 15
Structure length34 ft (10.4 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 traffic1,847 (2023)
Projected traffic2,511 by 2043
Trucks17%
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$133,000 (2020 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was US-70 over Unnamed Waterway built?

It was built in 1938, making it 87 years old in 2025. It was reconstructed in 1993.

What condition is US-70 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 November 2022.

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

About 1,847 vehicles per day (2023 count), of which roughly 17% are trucks.

How long is US-70 over Unnamed Waterway?

The structure is 34 ft (10.4 m) long with a longest span of 6 ft (1.8 m).

Who owns US-70 over Unnamed Waterway?

It is owned by the State Highway Agency.