US Bridges

3316: Mill Ck Camp over Lake Fork Gunnison River

FairPosted for load

Hinsdale County, Colorado · 8 MI SW Lake San Cristoba · Structure no. 000000000L59270

Built
1967
58 years old
Condition
Fair
inspected July 2023
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
80 ft
1 main span
Daily traffic
50
2023 count
Owner
Federal
Bureau of Land Management

About this bridge

3316: Mill Ck Camp over Lake Fork Gunnison River is a wood or timber stringer/multi-beam or girder carrying 3316: Mill Ck Camp over Lake Fork Gunnison River in Hinsdale County, Colorado. It was built in 1967, so it is 58 years old, older 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. Its operating status is: posted for load restriction.

It carries about 50 vehicles a day, projected to reach 50 by 2040. The structure is 80 ft (24.4 m) long and 16 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

Carries3316: Mill Ck Camp
CrossesLake Fork Gunnison River
Location8 MI SW Lake San Cristoba
RouteFederal Lands Road 0
Coordinates37.9071, -107.39266
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.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
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 alignment6: Equal to present minimum criteria
Operating rating25.7 US tons
Inventory rating19.6 US tons

Structure

MaterialWood or Timber
DeckWood or timber
Main spans1 (+2 approach)
Design loadHS 20
Structure length80 ft (24.4 m)
Longest span54 ft (16.4 m)
Deck width16 ft (4.9 m)
Roadway width14 ft (4.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (2023)
Projected traffic50 by 2040
Trucks—
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed123.7 mi (199 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerBureau of Land Management
Maintained byBureau of Land Management
Historic statusHistorical significance not determinable at this time
Work proposedOther structural work, including hydraulic replacements
Estimated improvement cost$22,000
NavigationNo navigation control on waterway

Frequently asked questions

When was 3316: Mill Ck Camp over Lake Fork Gunnison River built?

It was built in 1967, making it 58 years old in 2025.

What condition is 3316: Mill Ck Camp 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 July 2023.

How much traffic does 3316: Mill Ck Camp over Lake Fork Gunnison River carry?

About 50 vehicles per day (2023 count).

How long is 3316: Mill Ck Camp over Lake Fork Gunnison River?

The structure is 80 ft (24.4 m) long with a longest span of 54 ft (16.4 m) and a deck 16 ft wide.

Who owns 3316: Mill Ck Camp over Lake Fork Gunnison River?

It is owned by the Bureau of Land Management.