US Bridges

County Road 361 over Cottonwood Creek

Fair

Chaffee County, Colorado · .2 MI N of CR 306 · Structure no. CHA361-00.20A

Built
2011
14 years old
Condition
Fair
inspected March 2024
Type
Frame
Concrete
Length
32 ft
1 main span
Daily traffic
837
2022 count
Owner
County
County Highway Agency

About this bridge

County Road 361 over Cottonwood Creek is a concrete frame carrying County Road 361 over Cottonwood Creek in Chaffee County, Colorado. It was built in 2011, so it is 14 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 837 vehicles a day, projected to reach 1,021 by 2042. The structure is 32 ft (9.8 m) long and 42 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesCounty Road 361
CrossesCottonwood Creek
Location.2 MI N of CR 306
RouteCounty Highway 0
CountyChaffee County
StateColorado
Coordinates38.83068, -106.17758
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
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionMarch 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 geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating40 US tons
Inventory rating36 US tons

Structure

Structure typeFrame
MaterialConcrete
DeckNot applicable
Main spans1
Design loadUnknown
Structure length32 ft (9.8 m)
Longest span28 ft (8.6 m)
Deck width42 ft (12.8 m)
Roadway width37 ft (11.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic837 (2022)
Projected traffic1,021 by 2042
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 361 over Cottonwood Creek built?

It was built in 2011, making it 14 years old in 2025.

What condition is County Road 361 over Cottonwood Creek 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 March 2024.

How much traffic does County Road 361 over Cottonwood Creek carry?

About 837 vehicles per day (2022 count).

How long is County Road 361 over Cottonwood Creek?

The structure is 32 ft (9.8 m) long with a longest span of 28 ft (8.6 m) and a deck 42 ft wide.

Who owns County Road 361 over Cottonwood Creek?

It is owned by the County Highway Agency.