US Bridges

Timberline Road over Cache LA Poudre River

Good

Larimer County, Colorado · 0.1 MI S of HWY 14 · Structure no. FCTMB-0.1-MULB

Built
1998
27 years old
Condition
Good
inspected April 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete Continuous
Length
343 ft
3 main spans
Daily traffic
15,131
2022 count
Owner
City
City or Municipal Highway Agency

About this bridge

Timberline Road over Cache LA Poudre River is a prestressed concrete continuous box beam or girders - multiple carrying Timberline Road over Cache LA Poudre River in Larimer County, Colorado. It was built in 1998, so it is 27 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 15,131 vehicles a day, roughly 16% of them trucks, projected to reach 18,913 by 2042. The structure is 343 ft (104.5 m) long and 58 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesTimberline Road
CrossesCache LA Poudre River
Location0.1 MI S of HWY 14
RouteCity Street 0
Coordinates40.57783, -105.03586
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.
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 within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating65 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length343 ft (104.5 m)
Longest span119 ft (36.3 m)
Deck width58 ft (17.7 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic15,131 (2022)
Projected traffic18,913 by 2042
Trucks16%
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 Timberline Road over Cache LA Poudre River built?

It was built in 1998, making it 27 years old in 2025.

What condition is Timberline 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 Timberline Road over Cache LA Poudre River carry?

About 15,131 vehicles per day (2022 count), of which roughly 16% are trucks.

How long is Timberline Road over Cache LA Poudre River?

The structure is 343 ft (104.5 m) long with a longest span of 119 ft (36.3 m) and a deck 58 ft wide.

Who owns Timberline Road over Cache LA Poudre River?

It is owned by the City or Municipal Highway Agency.