US Bridges

US-64 over Animas River

Fair

San Juan County, New Mexico · .1 MI E Broadway/Scott Av · Structure no. 000000000008013

Built
1958
67 years old, rebuilt 1980
Condition
Fair
inspected April 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
304 ft
5 main spans
Daily traffic
7,237
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

US-64 over Animas River is a steel stringer/multi-beam or girder carrying US-64 over Animas River in San Juan County, New Mexico. It was built in 1958 and reconstructed in 1980, so it is 67 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 7,237 vehicles a day, roughly 12% of them trucks, projected to reach 9,842 by 2043. The structure is 304 ft (92.7 m) long and 90 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesUS-64
CrossesAnimas River
Location.1 MI E Broadway/Scott Av
RouteU.S. Route 64
Coordinates36.72705, -108.19094
Functional classUrban Other Principal Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating59 US tons
Inventory rating35.7 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans5
Design loadHS 20
Structure length304 ft (92.7 m)
Longest span60 ft (18.3 m)
Deck width90 ft (27.4 m)
Roadway width76 ft (23.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,237 (2023)
Projected traffic9,842 by 2043
Trucks12%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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$2 million (2030 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was US-64 over Animas River built?

It was built in 1958, making it 67 years old in 2025. It was reconstructed in 1980.

What condition is US-64 over Animas River 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 2023.

How much traffic does US-64 over Animas River carry?

About 7,237 vehicles per day (2023 count), of which roughly 12% are trucks.

How long is US-64 over Animas River?

The structure is 304 ft (92.7 m) long with a longest span of 60 ft (18.3 m) and a deck 90 ft wide.

Who owns US-64 over Animas River?

It is owned by the City or Municipal Highway Agency.