US Bridges

US-64 Ebl/Wbl over LA Plata River

Good

San Juan County, New Mexico · 0.1 MI E of JCT NM-170 · Structure no. 000000000007457

Built
1975
50 years old
Condition
Good
inspected September 2023
Type
Culvert
Steel
Length
58 ft
2 main spans
Daily traffic
21,290
2023 count
Owner
State
State Highway Agency

About this bridge

US-64 Ebl/Wbl over LA Plata River is a steel culvert carrying US-64 Ebl/Wbl over LA Plata River in San Juan County, New Mexico. It was built in 1975, so it is 50 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 21,290 vehicles a day, roughly 12% of them trucks, projected to reach 28,954 by 2043. The structure is 58 ft (17.7 m) long. If it were closed, the detour would be 29.8 mi (48 km).

CarriesUS-64 Ebl/Wbl
CrossesLA Plata River
Location0.1 MI E of JCT NM-170
RouteU.S. Route 64
Coordinates36.73724, -108.25062
Functional classUrban Other Principal Arterial

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 inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
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
MaterialSteel
DeckNot applicable
Main spans2
Design loadHS 20
Structure length58 ft (17.7 m)
Longest span29 ft (8.8 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic21,290 (2023)
Projected traffic28,954 by 2043
Trucks12%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed29.8 mi (48 km)
TollOn a free road
National Highway SystemYes

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 US-64 Ebl/Wbl over LA Plata River built?

It was built in 1975, making it 50 years old in 2025.

What condition is US-64 Ebl/Wbl over LA Plata River 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 September 2023.

How much traffic does US-64 Ebl/Wbl over LA Plata River carry?

About 21,290 vehicles per day (2023 count), of which roughly 12% are trucks.

How long is US-64 Ebl/Wbl over LA Plata River?

The structure is 58 ft (17.7 m) long with a longest span of 29 ft (8.8 m).

Who owns US-64 Ebl/Wbl over LA Plata River?

It is owned by the State Highway Agency.