US Bridges

Oakway N (cr 168A) over Four Mile Creek

Good

Garfield County, Colorado · 5 MI S of Carbondale · Structure no. GAR168A-00.04

Built
2013
12 years old
Condition
Good
inspected September 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
83 ft
1 main span
Daily traffic
519
2023 count
Owner
County
County Highway Agency

About this bridge

Oakway N (cr 168A) over Four Mile Creek is a steel stringer/multi-beam or girder carrying Oakway N (cr 168A) over Four Mile Creek in Garfield County, Colorado. It was built in 2013, so it is 12 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 519 vehicles a day, roughly 17% of them trucks, projected to reach 659 by 2042. The structure is 83 ft (25.3 m) long and 31 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesOakway N (cr 168A)
CrossesFour Mile Creek
Location5 MI S of Carbondale
RouteCounty Highway 0
Coordinates39.44623, -107.31711
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
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating43.5 US tons
Inventory rating33.6 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length83 ft (25.3 m)
Longest span77 ft (23.5 m)
Deck width31 ft (9.6 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic519 (2023)
Projected traffic659 by 2042
Trucks17%
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

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 Oakway N (cr 168A) over Four Mile Creek built?

It was built in 2013, making it 12 years old in 2025.

What condition is Oakway N (cr 168A) over Four Mile Creek 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 September 2023.

How much traffic does Oakway N (cr 168A) over Four Mile Creek carry?

About 519 vehicles per day (2023 count), of which roughly 17% are trucks.

How long is Oakway N (cr 168A) over Four Mile Creek?

The structure is 83 ft (25.3 m) long with a longest span of 77 ft (23.5 m) and a deck 31 ft wide.

Who owns Oakway N (cr 168A) over Four Mile Creek?

It is owned by the County Highway Agency.