US Bridges

County Road 9 over Lake Fork

Good

Lake County, Colorado · Near Inlet Turquoiselk · Structure no. LAKE-09-1.7-4A

Built
2016
9 years old
Condition
Good
inspected June 2024
Type
Arch - Deck
Aluminum, Wrought Iron, or Cast Iron
Length
26 ft
1 main span
Daily traffic
183
2022 count
Owner
County
County Highway Agency

About this bridge

County Road 9 over Lake Fork is a aluminum, wrought iron, or cast iron arch - deck carrying County Road 9 over Lake Fork in Lake 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 183 vehicles a day, projected to reach 227 by 2042. The structure is 26 ft (8 m) long and 44 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesCounty Road 9
CrossesLake Fork
LocationNear Inlet Turquoiselk
RouteCounty Highway 0
CountyLake County
StateColorado
Coordinates39.28151, -106.4431
Functional classRural Minor Collector

Condition and inspection

Good

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

ComponentRatingMeaning
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating106.8 US tons
Inventory rating106.8 US tons

Structure

Structure typeArch - Deck
MaterialAluminum, Wrought Iron, or Cast Iron
DeckNot applicable
Main spans1
Design loadUnknown
Structure length26 ft (8 m)
Longest span26 ft (8 m)
Deck width44 ft (13.3 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic183 (2022)
Projected traffic227 by 2042
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 County Road 9 over Lake Fork built?

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

What condition is County Road 9 over Lake Fork 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 June 2024.

How much traffic does County Road 9 over Lake Fork carry?

About 183 vehicles per day (2022 count).

How long is County Road 9 over Lake Fork?

The structure is 26 ft (8 m) long with a longest span of 26 ft (8 m) and a deck 44 ft wide.

Who owns County Road 9 over Lake Fork?

It is owned by the County Highway Agency.