US Bridges

14th Street over Animas River

Fair

San Juan County, Colorado · In Town of Silverton · Structure no. SILVERTON-1A

Built
1992
33 years old
Condition
Fair
inspected June 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
50 ft
1 main span
Daily traffic
265
2022 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

14th Street over Animas River is a steel stringer/multi-beam or girder carrying 14th Street over Animas River in San Juan County, Colorado. It was built in 1992, so it is 33 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 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 265 vehicles a day, roughly 2% of them trucks, projected to reach 275 by 2042. The structure is 50 ft (15.1 m) long and 29 ft wide. If it were closed, the detour would be 100 mi (161 km).

Carries14th Street
CrossesAnimas River
LocationIn Town of Silverton
RouteCity Street 0
Coordinates37.81119, -107.65917
Functional classRural Local

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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
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 evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating42.3 US tons
Inventory rating25.4 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length50 ft (15.1 m)
Longest span48 ft (14.5 m)
Deck width29 ft (8.7 m)
Roadway width27 ft (8.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic265 (2022)
Projected traffic275 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

OwnerTown or Township Highway Agency
Maintained byTown or Township 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 14th Street over Animas River built?

It was built in 1992, making it 33 years old in 2025.

What condition is 14th Street 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 14th Street over Animas River carry?

About 265 vehicles per day (2022 count), of which roughly 2% are trucks.

How long is 14th Street over Animas River?

The structure is 50 ft (15.1 m) long with a longest span of 48 ft (14.5 m) and a deck 29 ft wide.

Who owns 14th Street over Animas River?

It is owned by the Town or Township Highway Agency.