US Bridges

I-40 Ebl over Unnamed Waterway

Fair

Quay County, New Mexico · 16.7 MI E of NM-129 · Structure no. 000000000006405

Built
1961
64 years old
Condition
Fair
inspected October 2023
Type
Culvert
Concrete
Length
39 ft
4 main spans
Daily traffic
20,855
2023 count
Owner
State
State Highway Agency

About this bridge

I-40 Ebl over Unnamed Waterway is a concrete culvert carrying I-40 Ebl over Unnamed Waterway in Quay County, New Mexico. It was built in 1961, so it is 64 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 5 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 20,855 vehicles a day, roughly 45% of them trucks, projected to reach 28,362 by 2043. The structure is 39 ft (11.9 m) long. If it were closed, the detour would be 1.2 mi (2 km).

CarriesI-40 Ebl
CrossesUnnamed Waterway
Location16.7 MI E of NM-129
RouteInterstate 40
Coordinates35.11725, -103.98345
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 protection8 Very GoodNo problems noted.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating71.4 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans4
Design loadHS 20 + Mod
Structure length39 ft (11.9 m)
Longest span6 ft (1.8 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic20,855 (2023)
Projected traffic28,362 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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was I-40 Ebl over Unnamed Waterway built?

It was built in 1961, making it 64 years old in 2025.

What condition is I-40 Ebl 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 October 2023.

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

About 20,855 vehicles per day (2023 count), of which roughly 45% are trucks.

How long is I-40 Ebl over Unnamed Waterway?

The structure is 39 ft (11.9 m) long with a longest span of 6 ft (1.8 m).

Who owns I-40 Ebl over Unnamed Waterway?

It is owned by the State Highway Agency.