US Bridges

County Road 33 over Lake Fork Gunnison River

Fair

Hinsdale County, Colorado · 5.5 MI S of Lake City · Structure no. HIN07-02.98

Built
1983
42 years old
Condition
Fair
inspected October 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
50 ft
1 main span
Daily traffic
56
2022 count
Owner
County
County Highway Agency

About this bridge

County Road 33 over Lake Fork Gunnison River is a steel stringer/multi-beam or girder carrying County Road 33 over Lake Fork Gunnison River in Hinsdale County, Colorado. It was built in 1983, so it is 42 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 5 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 56 vehicles a day, roughly 2% of them trucks, projected to reach 68 by 2042. The structure is 50 ft (15.2 m) long and 28 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesCounty Road 33
CrossesLake Fork Gunnison River
Location5.5 MI S of Lake City
RouteCounty Highway 0
Coordinates37.94928, -107.30187
Functional classRural 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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
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 evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating35.6 US tons
Inventory rating21.3 US tons

Structure

MaterialSteel
DeckCorrugated steel
Main spans1
Design loadUnknown
Structure length50 ft (15.2 m)
Longest span48 ft (14.6 m)
Deck width28 ft (8.5 m)
Roadway width28 ft (8.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic56 (2022)
Projected traffic68 by 2042
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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 33 over Lake Fork Gunnison River built?

It was built in 1983, making it 42 years old in 2025.

What condition is County Road 33 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 33 over Lake Fork Gunnison River carry?

About 56 vehicles per day (2022 count), of which roughly 2% are trucks.

How long is County Road 33 over Lake Fork Gunnison River?

The structure is 50 ft (15.2 m) long with a longest span of 48 ft (14.6 m) and a deck 28 ft wide.

Who owns County Road 33 over Lake Fork Gunnison River?

It is owned by the County Highway Agency.