US Bridges

32nd Street over Animas River

Fair

La Plata County, Colorado · .2 MI E of SH 550 · Structure no. DURANGO-003

Built
1974
51 years old
Condition
Fair
inspected October 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
149 ft
2 main spans
Daily traffic
10,111
2022 count
Owner
City
City or Municipal Highway Agency

About this bridge

32nd Street over Animas River is a steel continuous stringer/multi-beam or girder carrying 32nd Street over Animas River in La Plata County, Colorado. It was built in 1974, so it is 51 years old, older 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 10,111 vehicles a day, roughly 7% of them trucks, projected to reach 11,931 by 2042. The structure is 149 ft (45.4 m) long and 56 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Carries32nd Street
CrossesAnimas River
Location.2 MI E of SH 550
RouteCity Street 0
Coordinates37.30008, -107.8689
Functional classUrban Minor 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.
Superstructure8 Very GoodNo problems noted.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating84.2 US tons
Inventory rating50.4 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length149 ft (45.4 m)
Longest span70 ft (21.3 m)
Deck width56 ft (17.1 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10,111 (2022)
Projected traffic11,931 by 2042
Trucks7%
Lanes on structure3
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemNo

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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was 32nd Street over Animas River built?

It was built in 1974, making it 51 years old in 2025.

What condition is 32nd 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 October 2024.

How much traffic does 32nd Street over Animas River carry?

About 10,111 vehicles per day (2022 count), of which roughly 7% are trucks.

How long is 32nd Street over Animas River?

The structure is 149 ft (45.4 m) long with a longest span of 70 ft (21.3 m) and a deck 56 ft wide.

Who owns 32nd Street over Animas River?

It is owned by the City or Municipal Highway Agency.