US Bridges

Fdr 305 over Cache LA Poudre River

Good

Larimer County, Colorado · N CO HWY 14 W Poudre Park · Structure no. 021005000003119

Built
2004
21 years old
Condition
Good
inspected September 2024
Type
Box Beam or Girders - Multiple
Steel
Length
148 ft
2 main spans
Daily traffic
30
2002 count
Owner
Federal
U.S. Forest Service

About this bridge

Fdr 305 over Cache LA Poudre River is a steel box beam or girders - multiple carrying Fdr 305 over Cache LA Poudre River in Larimer County, Colorado. It was built in 2004, so it is 21 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 30 vehicles a day, projected to reach 45 by 2045. The structure is 148 ft (45.1 m) long and 17 ft wide. If it were closed, the detour would be 98.2 mi (158 km).

CarriesFdr 305
CrossesCache LA Poudre River
LocationN CO HWY 14 W Poudre Park
RouteFederal Lands Road 548
Coordinates40.68801, -105.31159
Functional classRural Local

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.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating19.6 US tons
Inventory rating13.9 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length148 ft (45.1 m)
Longest span72 ft (21.8 m)
Deck width17 ft (5.3 m)
Roadway width14 ft (4.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic30 (2002)
Projected traffic45 by 2045
Trucks—
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed98.2 mi (158 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerU.S. Forest Service
Maintained byPrivate (other than railroad)
Historic statusHistorical significance not determinable at this time
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$660 million
NavigationNo navigation control on waterway

Frequently asked questions

When was Fdr 305 over Cache LA Poudre River built?

It was built in 2004, making it 21 years old in 2025.

What condition is Fdr 305 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 September 2024.

How much traffic does Fdr 305 over Cache LA Poudre River carry?

About 30 vehicles per day (2002 count).

How long is Fdr 305 over Cache LA Poudre River?

The structure is 148 ft (45.1 m) long with a longest span of 72 ft (21.8 m) and a deck 17 ft wide.

Who owns Fdr 305 over Cache LA Poudre River?

It is owned by the U.S. Forest Service and maintained by the Private (other than railroad).