US Bridges

County Road 9 over East Fork Arkansas River

Good

Lake County, Colorado · Near National Park · Structure no. LAKE-09-10.2-04

Built
2021
4 years old
Condition
Good
inspected June 2024
Type
Arch - Deck
Aluminum, Wrought Iron, or Cast Iron
Length
25 ft
1 main span
Daily traffic
134
2020 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

County Road 9 over East Fork Arkansas River is a aluminum, wrought iron, or cast iron arch - deck carrying County Road 9 over East Fork Arkansas River in Lake County, Colorado. It was built in 2021, so it is 4 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 9 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 134 vehicles a day, projected to reach 198 by 2034. The structure is 25 ft (7.5 m) long and 40 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

Location

Open in Google Maps
CarriesCounty Road 9
CrossesEast Fork Arkansas River
LocationNear National Park
RouteCounty Highway 0
CountyLake County
StateColorado
Coordinates39.25952, -106.34046
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
Superstructure9 ExcellentNo problems noted.
Substructure9 ExcellentNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation9: Superior to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating92.5 US tons
Inventory rating71.4 US tons

Structure

Structure typeArch - Deck
MaterialAluminum, Wrought Iron, or Cast Iron
DeckNot applicable
Main spans1
Design loadHL 93
Structure length25 ft (7.5 m)
Longest span25 ft (7.5 m)
Deck width40 ft (12.3 m)
Roadway width29 ft (8.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic134 (2020)
Projected traffic198 by 2034
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed98.8 mi (159 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 County Road 9 over East Fork Arkansas River built?

It was built in 2021, making it 4 years old in 2025.

What condition is County Road 9 over East Fork Arkansas 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 June 2024.

How much traffic does County Road 9 over East Fork Arkansas River carry?

About 134 vehicles per day (2020 count).

How long is County Road 9 over East Fork Arkansas River?

The structure is 25 ft (7.5 m) long with a longest span of 25 ft (7.5 m) and a deck 40 ft wide.

Who owns County Road 9 over East Fork Arkansas River?

It is owned by the Town or Township Highway Agency.