US Bridges

Prospect Road over Cache LA Poudre River

Good

Larimer County, Colorado · 0.1 M E of Sharp Point DR · Structure no. FCPRST-0.1-SHPT

Built
1986
39 years old
Condition
Good
inspected April 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
190 ft
2 main spans
Daily traffic
22,311
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

Prospect Road over Cache LA Poudre River is a prestressed concrete continuous stringer/multi-beam or girder carrying Prospect Road over Cache LA Poudre River in Larimer County, Colorado. It was built in 1986, so it is 39 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 22,311 vehicles a day, roughly 11% of them trucks, projected to reach 27,888 by 2042. The structure is 190 ft (57.8 m) long and 77 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesProspect Road
CrossesCache LA Poudre River
Location0.1 M E of Sharp Point DR
RouteCity Street 0
Coordinates40.56717, -105.02767
Functional classUrban Minor Arterial

Condition and inspection

Good

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating61.3 US tons
Inventory rating32.8 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20 + Mod
Structure length190 ft (57.8 m)
Longest span92 ft (27.9 m)
Deck width77 ft (23.4 m)
Roadway width60 ft (18.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic22,311 (2023)
Projected traffic27,888 by 2042
Trucks11%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.9 mi (3 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 Prospect Road over Cache LA Poudre River built?

It was built in 1986, making it 39 years old in 2025.

What condition is Prospect Road over Cache LA Poudre River 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 April 2023.

How much traffic does Prospect Road over Cache LA Poudre River carry?

About 22,311 vehicles per day (2023 count), of which roughly 11% are trucks.

How long is Prospect Road over Cache LA Poudre River?

The structure is 190 ft (57.8 m) long with a longest span of 92 ft (27.9 m) and a deck 77 ft wide.

Who owns Prospect Road over Cache LA Poudre River?

It is owned by the City or Municipal Highway Agency.