US Bridges

Cline Drive W over N Fork S Platte River

Fair

Park County, Colorado · In Singleton N of HWY 285 · Structure no. PASE1-0.1-S285

Built
1960
65 years old
Condition
Fair
inspected April 2023
Type
Tee Beam
Prestressed Concrete
Length
53 ft
1 main span
Daily traffic
163
2020 count
Owner
County
County Highway Agency

About this bridge

Cline Drive W over N Fork S Platte River is a prestressed concrete tee beam carrying Cline Drive W over N Fork S Platte River in Park County, Colorado. It was built in 1960, so it is 65 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.

It carries about 163 vehicles a day, projected to reach 218 by 2040. The structure is 53 ft (16.1 m) long and 24 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

Location

Open in Google Maps
CarriesCline Drive W
CrossesN Fork S Platte River
LocationIn Singleton N of HWY 285
RouteCounty Highway 0
CountyPark County
StateColorado
Coordinates39.44203, -105.60369
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating40 US tons
Inventory rating36 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length53 ft (16.1 m)
Longest span51 ft (15.4 m)
Deck width24 ft (7.3 m)
Roadway width24 ft (7.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic163 (2020)
Projected traffic218 by 2040
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed98.8 mi (159 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 Cline Drive W over N Fork S Platte River built?

It was built in 1960, making it 65 years old in 2025.

What condition is Cline Drive W over N Fork S Platte 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 April 2023.

How much traffic does Cline Drive W over N Fork S Platte River carry?

About 163 vehicles per day (2020 count).

How long is Cline Drive W over N Fork S Platte River?

The structure is 53 ft (16.1 m) long with a longest span of 51 ft (15.4 m) and a deck 24 ft wide.

Who owns Cline Drive W over N Fork S Platte River?

It is owned by the County Highway Agency.