US Bridges

I-40 E/Wbl over Unnamed Waterway

Fair

McKinley County, New Mexico · 14.5 MI E of JCT US-491 · Structure no. 000000000006084

Built
1958
67 years old
Condition
Fair
inspected February 2024
Type
Culvert
Concrete
Length
26 ft
2 main spans
Daily traffic
24,383
2023 count
Owner
State
State Highway Agency

About this bridge

I-40 E/Wbl over Unnamed Waterway is a concrete culvert carrying I-40 E/Wbl over Unnamed Waterway in McKinley County, New Mexico. It was built in 1958, so it is 67 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 24,383 vehicles a day, roughly 45% of them trucks, projected to reach 33,160 by 2043. The structure is 26 ft (8 m) long. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesI-40 E/Wbl
CrossesUnnamed Waterway
Location14.5 MI E of JCT US-491
RouteInterstate 40
CountyMcKinley County
StateNew Mexico
Coordinates35.4941, -108.49613
Functional classRural Principal Arterial - Interstate

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 inspectionFebruary 2024
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 rating59 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20
Structure length26 ft (8 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic24,383 (2023)
Projected traffic33,160 by 2043
Trucks45%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
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$321,000 (2020 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was I-40 E/Wbl over Unnamed Waterway built?

It was built in 1958, making it 67 years old in 2025.

What condition is I-40 E/Wbl 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 February 2024.

How much traffic does I-40 E/Wbl over Unnamed Waterway carry?

About 24,383 vehicles per day (2023 count), of which roughly 45% are trucks.

How long is I-40 E/Wbl over Unnamed Waterway?

The structure is 26 ft (8 m) long with a longest span of 10 ft (3 m).

Who owns I-40 E/Wbl over Unnamed Waterway?

It is owned by the State Highway Agency.