US Bridges

I-40 Eb/Wb over Unnamed Waterway

Fair

Torrance County, New Mexico · 8.5 MI E of JCT NM-41 · Structure no. 000000000007057

Built
1969
56 years old
Condition
Fair
inspected April 2021
Type
Culvert
Concrete
Length
39 ft
4 main spans
Daily traffic
27,229
2023 count
Owner
State
State Highway Agency

About this bridge

I-40 Eb/Wb over Unnamed Waterway is a concrete culvert carrying I-40 Eb/Wb over Unnamed Waterway in Torrance County, New Mexico. It was built in 1969, so it is 56 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 27,229 vehicles a day, roughly 45% of them trucks, projected to reach 37,031 by 2043. The structure is 39 ft (11.9 m) long. If it were closed, the detour would be 98.8 mi (159 km).

CarriesI-40 Eb/Wb
CrossesUnnamed Waterway
Location8.5 MI E of JCT NM-41
RouteInterstate 40
Coordinates35.00596, -105.89561
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 inspectionApril 2021
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 spans4
Design loadHS 20
Structure length39 ft (11.9 m)
Longest span8 ft (2.4 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic27,229 (2023)
Projected traffic37,031 by 2043
Trucks45%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed98.8 mi (159 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$828,000 (2030 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was I-40 Eb/Wb over Unnamed Waterway built?

It was built in 1969, making it 56 years old in 2025.

What condition is I-40 Eb/Wb 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 April 2021.

How much traffic does I-40 Eb/Wb over Unnamed Waterway carry?

About 27,229 vehicles per day (2023 count), of which roughly 45% are trucks.

How long is I-40 Eb/Wb over Unnamed Waterway?

The structure is 39 ft (11.9 m) long with a longest span of 8 ft (2.4 m).

Who owns I-40 Eb/Wb over Unnamed Waterway?

It is owned by the State Highway Agency.