US Bridges

NM-264 over Unnamed Waterway

Fair

McKinley County, New Mexico · 10.0 MI E of Ariz ST Line · Structure no. 000000000010016

Built
1989
36 years old
Condition
Fair
inspected May 2023
Type
Culvert
Steel
Length
43 ft
3 main spans
Daily traffic
11,051
2023 count
Owner
State
State Highway Agency

About this bridge

NM-264 over Unnamed Waterway is a steel culvert carrying NM-264 over Unnamed Waterway in McKinley County, New Mexico. It was built in 1989, so it is 36 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 11,051 vehicles a day, roughly 17% of them trucks, projected to reach 15,029 by 2043. The structure is 43 ft (13.1 m) long. If it were closed, the detour would be 52.8 mi (85 km).

CarriesNM-264
CrossesUnnamed Waterway
Location10.0 MI E of Ariz ST Line
RouteState Highway 264
Coordinates35.6343, -108.8901
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 inspectionMay 2023
Inspection intervalevery 24 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 rating98.2 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans3
Design loadHS 20
Structure length43 ft (13.1 m)
Longest span11 ft (3.3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic11,051 (2023)
Projected traffic15,029 by 2043
Trucks17%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed52.8 mi (85 km)
TollOn a free road
National Highway SystemNo

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 NM-264 over Unnamed Waterway built?

It was built in 1989, making it 36 years old in 2025.

What condition is NM-264 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 May 2023.

How much traffic does NM-264 over Unnamed Waterway carry?

About 11,051 vehicles per day (2023 count), of which roughly 17% are trucks.

How long is NM-264 over Unnamed Waterway?

The structure is 43 ft (13.1 m) long with a longest span of 11 ft (3.3 m).

Who owns NM-264 over Unnamed Waterway?

It is owned by the State Highway Agency.