US Bridges

County Road 30 over Lake Fork Gunnison River

Fair

Hinsdale County, Colorado · 8.8 MI S of Lake City · Structure no. HIN03-09.21A

Built
1994
31 years old
Condition
Fair
inspected October 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
70 ft
1 main span
Daily traffic
303
2022 count
Owner
County
County Highway Agency

About this bridge

County Road 30 over Lake Fork Gunnison River is a steel stringer/multi-beam or girder carrying County Road 30 over Lake Fork Gunnison River in Hinsdale County, Colorado. It was built in 1994, so it is 31 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 303 vehicles a day, roughly 2% of them trucks, projected to reach 367 by 2042. The structure is 70 ft (21.3 m) long and 26 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

Location

Open in Google Maps
CarriesCounty Road 30
CrossesLake Fork Gunnison River
Location8.8 MI S of Lake City
RouteCounty Highway 0
CountyHinsdale County
StateColorado
Coordinates37.90669, -107.36308
Functional classRural Minor 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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating39.9 US tons
Inventory rating23.9 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length70 ft (21.3 m)
Longest span66 ft (20.1 m)
Deck width26 ft (7.9 m)
Roadway width26 ft (7.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic303 (2022)
Projected traffic367 by 2042
Trucks2%
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

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 30 over Lake Fork Gunnison River built?

It was built in 1994, making it 31 years old in 2025.

What condition is County Road 30 over Lake Fork Gunnison 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 October 2024.

How much traffic does County Road 30 over Lake Fork Gunnison River carry?

About 303 vehicles per day (2022 count), of which roughly 2% are trucks.

How long is County Road 30 over Lake Fork Gunnison River?

The structure is 70 ft (21.3 m) long with a longest span of 66 ft (20.1 m) and a deck 26 ft wide.

Who owns County Road 30 over Lake Fork Gunnison River?

It is owned by the County Highway Agency.