US Bridges

County Road 2 over Animas River

Fair

San Juan County, Colorado · 4.0 MI NE of Silverton · Structure no. SJN02-01.9A

Built
1988
37 years old
Condition
Fair
inspected June 2024
Type
Arch - Deck
Steel
Length
33 ft
1 main span
Daily traffic
920
2022 count
Owner
County
County Highway Agency

About this bridge

County Road 2 over Animas River is a steel arch - deck carrying County Road 2 over Animas River in San Juan County, Colorado. It was built in 1988, so it is 37 years old, younger than the Colorado average of 42.2 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 920 vehicles a day, roughly 2% of them trucks, projected to reach 957 by 2042. The structure is 33 ft (10 m) long and 52 ft wide. If it were closed, the detour would be 100 mi (161 km).

Location

Open in Google Maps
CarriesCounty Road 2
CrossesAnimas River
Location4.0 MI NE of Silverton
RouteCounty Highway 0
CountySan Juan County
StateColorado
Coordinates37.83522, -107.59855
Functional classRural Minor Collector

Condition and inspection

Fair

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

ComponentRatingMeaning
Superstructure7 GoodSome minor problems.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating110.1 US tons
Inventory rating72.4 US tons

Structure

Structure typeArch - Deck
MaterialSteel
DeckNot applicable
Main spans1
Design loadHS 20
Structure length33 ft (10 m)
Longest span33 ft (10 m)
Deck width52 ft (15.8 m)
Roadway width31 ft (9.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic920 (2022)
Projected traffic957 by 2042
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed100 mi (161 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 County Road 2 over Animas River built?

It was built in 1988, making it 37 years old in 2025.

What condition is County Road 2 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 June 2024.

How much traffic does County Road 2 over Animas River carry?

About 920 vehicles per day (2022 count), of which roughly 2% are trucks.

How long is County Road 2 over Animas River?

The structure is 33 ft (10 m) long with a longest span of 33 ft (10 m) and a deck 52 ft wide.

Who owns County Road 2 over Animas River?

It is owned by the County Highway Agency.