US Bridges

Harmony RD over Timnath Reservoir Outlet

Good

Larimer County, Colorado · 20FT E of Three Bell Pkwy · Structure no. TNTH38-0.2-5-A

Built
2016
9 years old
Condition
Good
inspected May 2023
Type
Culvert
Concrete
Length
40 ft
3 main spans
Daily traffic
24,815
2023 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Harmony RD over Timnath Reservoir Outlet is a concrete culvert carrying Harmony RD over Timnath Reservoir Outlet in Larimer County, Colorado. It was built in 2016, so it is 9 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 24,815 vehicles a day, roughly 11% of them trucks, projected to reach 31,019 by 2043. The structure is 40 ft (12.2 m) long and 143 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesHarmony RD
CrossesTimnath Reservoir Outlet
Location20FT E of Three Bell Pkwy
RouteCity Street 0
CountyLarimer County
StateColorado
Coordinates40.52282, -104.96297
Functional classRural Major Collector

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 protection8 Very GoodNo problems noted.
Culvert7 GoodSome minor problems.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
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 rating106.8 US tons
Inventory rating96.5 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadHL 93
Structure length40 ft (12.2 m)
Longest span13 ft (3.9 m)
Deck width143 ft (43.6 m)
Roadway width139 ft (42.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic24,815 (2023)
Projected traffic31,019 by 2043
Trucks11%
Lanes on structure5
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerTown or Township Highway Agency
Maintained byTown or Township Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Harmony RD over Timnath Reservoir Outlet built?

It was built in 2016, making it 9 years old in 2025.

What condition is Harmony RD over Timnath Reservoir Outlet 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 May 2023.

How much traffic does Harmony RD over Timnath Reservoir Outlet carry?

About 24,815 vehicles per day (2023 count), of which roughly 11% are trucks.

How long is Harmony RD over Timnath Reservoir Outlet?

The structure is 40 ft (12.2 m) long with a longest span of 13 ft (3.9 m) and a deck 143 ft wide.

Who owns Harmony RD over Timnath Reservoir Outlet?

It is owned by the Town or Township Highway Agency.