US Bridges

US-64 over Unnamed Waterway

Fair

Union County, New Mexico · 2.6 MI E NM-325 / Capulin · Structure no. 000000000002354

Built
1937
88 years old, rebuilt 1958
Condition
Fair
inspected March 2022
Type
Culvert
Concrete
Length
33 ft
5 main spans
Daily traffic
5,229
2023 count
Owner
State
State Highway Agency

About this bridge

US-64 over Unnamed Waterway is a concrete culvert carrying US-64 over Unnamed Waterway in Union County, New Mexico. It was built in 1937 and reconstructed in 1958, 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 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 5,229 vehicles a day, roughly 17% of them trucks, projected to reach 7,111 by 2043. The structure is 33 ft (10.1 m) long. If it were closed, the detour would be 98.8 mi (159 km).

CarriesUS-64
CrossesUnnamed Waterway
Location2.6 MI E NM-325 / Capulin
RouteU.S. Route 64
Coordinates36.74608, -103.95389
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 inspectionMarch 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating39.2 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans5
Design loadHS 20
Structure length33 ft (10.1 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 traffic5,229 (2023)
Projected traffic7,111 by 2043
Trucks17%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed98.8 mi (159 km)
TollOn a free road
National Highway SystemYes

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$118,000 (2030 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was US-64 over Unnamed Waterway built?

It was built in 1937, making it 88 years old in 2025. It was reconstructed in 1958.

What condition is US-64 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 March 2022.

How much traffic does US-64 over Unnamed Waterway carry?

About 5,229 vehicles per day (2023 count), of which roughly 17% are trucks.

How long is US-64 over Unnamed Waterway?

The structure is 33 ft (10.1 m) long with a longest span of 6 ft (1.8 m).

Who owns US-64 over Unnamed Waterway?

It is owned by the State Highway Agency.