US Bridges

Fossil Creek Pkwy. over Fossil Creek

Fair

Larimer County, Colorado · .1 MI N Hunt. Hill Dr. · Structure no. FCFOSCK-0.1-HTH

Built
2001
24 years old
Condition
Fair
inspected June 2023
Type
Box Beam or Girders - Single or Spread
Prestressed Concrete
Length
66 ft
1 main span
Daily traffic
1,646
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

Fossil Creek Pkwy. over Fossil Creek is a prestressed concrete box beam or girders - single or spread carrying Fossil Creek Pkwy. over Fossil Creek in Larimer County, Colorado. It was built in 2001, so it is 24 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 1,646 vehicles a day, roughly 10% of them trucks, projected to reach 2,058 by 2042. The structure is 66 ft (20.1 m) long and 58 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesFossil Creek Pkwy.
CrossesFossil Creek
Location.1 MI N Hunt. Hill Dr.
RouteCity Street 0
CountyLarimer County
StateColorado
Coordinates40.50722, -105.06694
Functional classUrban 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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than 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 typeBox Beam or Girders - Single or Spread
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length66 ft (20.1 m)
Longest span62 ft (18.9 m)
Deck width58 ft (17.8 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,646 (2023)
Projected traffic2,058 by 2042
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.2 mi (2 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 Fossil Creek Pkwy. over Fossil Creek built?

It was built in 2001, making it 24 years old in 2025.

What condition is Fossil Creek Pkwy. over Fossil 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 June 2023.

How much traffic does Fossil Creek Pkwy. over Fossil Creek carry?

About 1,646 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is Fossil Creek Pkwy. over Fossil Creek?

The structure is 66 ft (20.1 m) long with a longest span of 62 ft (18.9 m) and a deck 58 ft wide.

Who owns Fossil Creek Pkwy. over Fossil Creek?

It is owned by the City or Municipal Highway Agency.