US Bridges

US-54 over Unamed Waterway

Good

Lincoln County, New Mexico · 22.04 M S Jct. 54/380 · Structure no. 000000000009603

Built
2014
11 years old
Condition
Good
inspected April 2023
Type
Culvert
Concrete
Length
24 ft
2 main spans
Daily traffic
2,797
2023 count
Owner
State
State Highway Agency

About this bridge

US-54 over Unamed Waterway is a concrete culvert carrying US-54 over Unamed Waterway in Lincoln County, New Mexico. It was built in 2014, so it is 11 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 good condition with a lowest component rating of 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 2,797 vehicles a day, roughly 17% of them trucks, projected to reach 3,803 by 2043. The structure is 24 ft (7.3 m) long and 50 ft wide. If it were closed, the detour would be 100 mi (161 km).

CarriesUS-54
CrossesUnamed Waterway
Location22.04 M S Jct. 54/380
RouteU.S. Route 54
Coordinates33.39334, -106.07251
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 protection7 GoodSome minor problems.
Culvert8 Very GoodNo problems noted.
Last inspectionApril 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating64.8 US tons
Inventory rating38.8 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHL 93
Structure length24 ft (7.3 m)
Longest span12 ft (3.7 m)
Deck width50 ft (15.2 m)
Roadway width48 ft (14.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,797 (2023)
Projected traffic3,803 by 2043
Trucks17%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed100 mi (161 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—
NavigationNo navigation control on waterway

Frequently asked questions

When was US-54 over Unamed Waterway built?

It was built in 2014, making it 11 years old in 2025.

What condition is US-54 over Unamed 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 2023.

How much traffic does US-54 over Unamed Waterway carry?

About 2,797 vehicles per day (2023 count), of which roughly 17% are trucks.

How long is US-54 over Unamed Waterway?

The structure is 24 ft (7.3 m) long with a longest span of 12 ft (3.7 m) and a deck 50 ft wide.

Who owns US-54 over Unamed Waterway?

It is owned by the State Highway Agency.