US Bridges

County Road 109 over Roaring Fork River

Fair

Garfield County, Colorado · 0.5 MI So of ST HWY 82 · Structure no. GAR109-01.44

Built
1986
39 years old
Condition
Fair
inspected September 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
217 ft
2 main spans
Daily traffic
3,436
2023 count
Owner
County
County Highway Agency

About this bridge

County Road 109 over Roaring Fork River is a prestressed concrete continuous stringer/multi-beam or girder carrying County Road 109 over Roaring Fork River in Garfield County, Colorado. It was built in 1986, so it is 39 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 3,436 vehicles a day, roughly 22% of them trucks, projected to reach 4,364 by 2042. The structure is 217 ft (66.1 m) long and 34 ft wide. If it were closed, the detour would be 8.7 mi (14 km).

Location

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CarriesCounty Road 109
CrossesRoaring Fork River
Location0.5 MI So of ST HWY 82
RouteCounty Highway 0
CountyGarfield County
StateColorado
Coordinates39.48, -107.28738
Functional classUrban Local

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to 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 alignment6: Equal to present minimum criteria
Operating rating90.7 US tons
Inventory rating44.8 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length217 ft (66.1 m)
Longest span102 ft (31.1 m)
Deck width34 ft (10.5 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,436 (2023)
Projected traffic4,364 by 2042
Trucks22%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed8.7 mi (14 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 109 over Roaring Fork River built?

It was built in 1986, making it 39 years old in 2025.

What condition is County Road 109 over Roaring Fork River 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 September 2023.

How much traffic does County Road 109 over Roaring Fork River carry?

About 3,436 vehicles per day (2023 count), of which roughly 22% are trucks.

How long is County Road 109 over Roaring Fork River?

The structure is 217 ft (66.1 m) long with a longest span of 102 ft (31.1 m) and a deck 34 ft wide.

Who owns County Road 109 over Roaring Fork River?

It is owned by the County Highway Agency.