US Bridges

Rigden Pkwy over Fossil Ck Resv Inlet

Good

Larimer County, Colorado · .5 MI SW of Drake/Ziegler · Structure no. FCWNP-0.1-ANSA

Built
2008
17 years old
Condition
Good
inspected June 2023
Type
Culvert
Concrete
Length
24 ft
3 main spans
Daily traffic
998
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

Rigden Pkwy over Fossil Ck Resv Inlet is a concrete culvert carrying Rigden Pkwy over Fossil Ck Resv Inlet in Larimer County, Colorado. It was built in 2008, so it is 17 years old, younger than the Colorado average of 42.2 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 998 vehicles a day, roughly 8% of them trucks, projected to reach 1,248 by 2042. The structure is 24 ft (7.4 m) long and 63 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesRigden Pkwy
CrossesFossil Ck Resv Inlet
Location.5 MI SW of Drake/Ziegler
RouteCity Street 0
Coordinates40.54741, -105.0298
Functional classUrban Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert7 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 geometry8: Equal to present desirable 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 typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadHS 20
Structure length24 ft (7.4 m)
Longest span9 ft (2.7 m)
Deck width63 ft (19.2 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic998 (2023)
Projected traffic1,248 by 2042
Trucks8%
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 Rigden Pkwy over Fossil Ck Resv Inlet built?

It was built in 2008, making it 17 years old in 2025.

What condition is Rigden Pkwy over Fossil Ck Resv Inlet in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in June 2023.

How much traffic does Rigden Pkwy over Fossil Ck Resv Inlet carry?

About 998 vehicles per day (2023 count), of which roughly 8% are trucks.

How long is Rigden Pkwy over Fossil Ck Resv Inlet?

The structure is 24 ft (7.4 m) long with a longest span of 9 ft (2.7 m) and a deck 63 ft wide.

Who owns Rigden Pkwy over Fossil Ck Resv Inlet?

It is owned by the City or Municipal Highway Agency.