US Bridges

Heatheridge Street over Importation Channel

Fair

Larimer County, Colorado · 0.2 MI N of Stuart Street · Structure no. FCHTRD-0.2-STUT

Built
1992
33 years old
Condition
Fair
inspected April 2023
Type
Culvert
Concrete
Length
29 ft
2 main spans
Daily traffic
2,097
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

Heatheridge Street over Importation Channel is a concrete culvert carrying Heatheridge Street over Importation Channel in Larimer County, Colorado. It was built in 1992, so it is 33 years old, younger than the Colorado average of 42.2 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 2,097 vehicles a day, roughly 7% of them trucks, projected to reach 2,621 by 2043. The structure is 29 ft (8.9 m) long and 92 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesHeatheridge Street
CrossesImportation Channel
Location0.2 MI N of Stuart Street
RouteCity Street 0
Coordinates40.56528, -105.10231
Functional classUrban Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection8 Very GoodNo problems noted.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum 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 spans2
Design loadHS 20
Structure length29 ft (8.9 m)
Longest span13 ft (4 m)
Deck width92 ft (27.9 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,097 (2023)
Projected traffic2,621 by 2043
Trucks7%
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 Heatheridge Street over Importation Channel built?

It was built in 1992, making it 33 years old in 2025.

What condition is Heatheridge Street over Importation Channel in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in April 2023.

How much traffic does Heatheridge Street over Importation Channel carry?

About 2,097 vehicles per day (2023 count), of which roughly 7% are trucks.

How long is Heatheridge Street over Importation Channel?

The structure is 29 ft (8.9 m) long with a longest span of 13 ft (4 m) and a deck 92 ft wide.

Who owns Heatheridge Street over Importation Channel?

It is owned by the City or Municipal Highway Agency.