US Bridges

I-40 EB over County Road 20

Good

McKinley County, New Mexico · 15.3 MI E of Nm/Ariz Line · Structure no. 000000000009346

Built
2007
18 years old
Condition
Good
inspected February 2024
Type
Slab
Concrete Continuous
Length
104 ft
3 main spans
Daily traffic
24,827
2023 count
Owner
State
State Highway Agency

About this bridge

I-40 EB over County Road 20 is a concrete continuous slab carrying I-40 EB over County Road 20 in McKinley County, New Mexico. It was built in 2007, so it is 18 years old, younger 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 24,827 vehicles a day, roughly 45% of them trucks, projected to reach 33,764 by 2043. The structure is 104 ft (31.7 m) long and 41 ft wide.

Location

Open in Google Maps
CarriesI-40 EB
CrossesCounty Road 20
Location15.3 MI E of Nm/Ariz Line
RouteInterstate 40
CountyMcKinley County
StateNew Mexico
Coordinates35.49803, -108.84762
Functional classUrban 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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating84.4 US tons
Inventory rating50.6 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length104 ft (31.7 m)
Longest span40 ft (12.2 m)
Deck width41 ft (12.5 m)
Roadway width38 ft (11.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic24,827 (2023)
Projected traffic33,764 by 2043
Trucks45%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed—
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 EB over County Road 20 built?

It was built in 2007, making it 18 years old in 2025.

What condition is I-40 EB over County Road 20 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 2024.

How much traffic does I-40 EB over County Road 20 carry?

About 24,827 vehicles per day (2023 count), of which roughly 45% are trucks.

How long is I-40 EB over County Road 20?

The structure is 104 ft (31.7 m) long with a longest span of 40 ft (12.2 m) and a deck 41 ft wide.

Who owns I-40 EB over County Road 20?

It is owned by the State Highway Agency.