US Bridges

I-40 Wbl over Unnamed Waterway

Fair

Bernalillo County, New Mexico · 13.2 MI E JCT I-40/NM-6 · Structure no. 000000000005668

Built
1954
71 years old, rebuilt 1968
Condition
Fair
inspected December 2021
Type
Culvert
Concrete
Length
54 ft
5 main spans
Daily traffic
28,850
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 Bernalillo County, New Mexico. It was built in 1954 and reconstructed in 1968, so it is 71 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 28,850 vehicles a day, roughly 45% of them trucks, projected to reach 39,236 by 2043. The structure is 54 ft (16.5 m) long. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesI-40 Wbl
CrossesUnnamed Waterway
Location13.2 MI E JCT I-40/NM-6
RouteInterstate 40
CountyBernalillo County
StateNew Mexico
Coordinates35.03123, -106.95083
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 protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionDecember 2021
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum 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 spans5
Design loadHS 20
Structure length54 ft (16.5 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 traffic28,850 (2023)
Projected traffic39,236 by 2043
Trucks45%
Lanes on structure3
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 1954, making it 71 years old in 2025. It was reconstructed in 1968.

What condition is I-40 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 December 2021.

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

About 28,850 vehicles per day (2023 count), of which roughly 45% are trucks.

How long is I-40 Wbl over Unnamed Waterway?

The structure is 54 ft (16.5 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.