US Bridges

I-40 Wbl over Unnamed Waterway

Good

McKinley County, New Mexico · 4.85 MI W of EXIT-63 · Structure no. 000000000006513

Built
1963
62 years old
Condition
Good
inspected February 2022
Type
Culvert
Concrete
Length
21 ft
2 main spans
Daily traffic
20,419
2023 count
Owner
State
State Highway Agency

About this bridge

I-40 Wbl over Unnamed Waterway is a concrete culvert carrying I-40 Wbl over Unnamed Waterway in McKinley County, New Mexico. It was built in 1963, so it is 62 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 good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 20,419 vehicles a day, roughly 45% of them trucks, projected to reach 27,769 by 2043. The structure is 21 ft (6.3 m) long. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesI-40 Wbl
CrossesUnnamed Waterway
Location4.85 MI W of EXIT-63
RouteInterstate 40
CountyMcKinley County
StateNew Mexico
Coordinates35.38394, -108.13159
Functional classRural Principal Arterial - Interstate

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.
Culvert7 GoodSome minor problems.
Last inspectionFebruary 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than 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
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20
Structure length21 ft (6.3 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 traffic20,419 (2023)
Projected traffic27,769 by 2043
Trucks45%
Lanes on structure2
Traffic directionOne-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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was I-40 Wbl over Unnamed Waterway built?

It was built in 1963, making it 62 years old in 2025.

What condition is I-40 Wbl over Unnamed 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 February 2022.

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

About 20,419 vehicles per day (2023 count), of which roughly 45% are trucks.

How long is I-40 Wbl over Unnamed Waterway?

The structure is 21 ft (6.3 m) long with a longest span of 10 ft (3 m).

Who owns I-40 Wbl over Unnamed Waterway?

It is owned by the State Highway Agency.