US Bridges

C.R. Hidden Vly over Cottonwood Creek

FairPosted for load

Fremont County, Colorado · 0.2 MI E of CR 40 · Structure no. FRCO 312-HV RD.

Built
1917
108 years old
Condition
Fair
inspected February 2025
Type
Stringer/Multi-beam or Girder
Steel
Length
30 ft
1 main span
Daily traffic
21
2022 count
Owner
County
County Highway Agency

About this bridge

C.R. Hidden Vly over Cottonwood Creek is a steel stringer/multi-beam or girder carrying C.R. Hidden Vly over Cottonwood Creek in Fremont County, Colorado. It was built in 1917, so it is 108 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 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for load restriction.

It carries about 21 vehicles a day, projected to reach 23 by 2042. The structure is 30 ft (9.1 m) long and 21 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesC.R. Hidden Vly
CrossesCottonwood Creek
Location0.2 MI E of CR 40
RouteCounty Highway 0
Coordinates38.35751, -105.73395
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionFebruary 2025
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating21.2 US tons
Inventory rating12.7 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length30 ft (9.1 m)
Longest span26 ft (8 m)
Deck width21 ft (6.5 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic21 (2022)
Projected traffic23 by 2042
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusEligible for the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$445,000 (2017 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was C.R. Hidden Vly over Cottonwood Creek built?

It was built in 1917, making it 108 years old in 2025.

What condition is C.R. Hidden Vly 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 February 2025.

How much traffic does C.R. Hidden Vly over Cottonwood Creek carry?

About 21 vehicles per day (2022 count).

How long is C.R. Hidden Vly over Cottonwood Creek?

The structure is 30 ft (9.1 m) long with a longest span of 26 ft (8 m) and a deck 21 ft wide.

Who owns C.R. Hidden Vly over Cottonwood Creek?

It is owned by the County Highway Agency.