US Bridges

US-70 over Flores Canyon

Fair

Lincoln County, New Mexico · 7.3 MI W JCT US70/380 @ H · Structure no. 000000000009300

Built
2005
20 years old
Condition
Fair
inspected September 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
79 ft
1 main span
Daily traffic
3,728
2023 count
Owner
State
State Highway Agency

About this bridge

US-70 over Flores Canyon is a prestressed concrete stringer/multi-beam or girder carrying US-70 over Flores Canyon in Lincoln County, New Mexico. It was built in 2005, so it is 20 years old, younger 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 79 ft (24.1 m) long and 72 ft wide. If it were closed, the detour would be 87 mi (140 km).

CarriesUS-70
CrossesFlores Canyon
Location7.3 MI W JCT US70/380 @ H
RouteU.S. Route 70
Coordinates33.42166, -105.38913
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating88.7 US tons
Inventory rating53.1 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length79 ft (24.1 m)
Longest span75 ft (22.9 m)
Deck width72 ft (21.9 m)
Roadway width70 ft (21.3 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 closed87 mi (140 km)
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 Flores Canyon built?

It was built in 2005, making it 20 years old in 2025.

What condition is US-70 over Flores Canyon 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 September 2024.

How much traffic does US-70 over Flores Canyon carry?

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

How long is US-70 over Flores Canyon?

The structure is 79 ft (24.1 m) long with a longest span of 75 ft (22.9 m) and a deck 72 ft wide.

Who owns US-70 over Flores Canyon?

It is owned by the State Highway Agency.