US Bridges

Winding Road 611 over Beaver Intake Ditch

Fair

San Miguel County, Colorado · 18 Mi. Sse Norwood Co. · Structure no. 020405000001113

Built
1956
69 years old
Condition
Fair
inspected August 2024
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
31 ft
1 main span
Daily traffic
11
2008 count
Owner
Federal
U.S. Forest Service

About this bridge

Winding Road 611 over Beaver Intake Ditch is a wood or timber stringer/multi-beam or girder carrying Winding Road 611 over Beaver Intake Ditch in San Miguel County, Colorado. It was built in 1956, so it is 69 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.

It carries about 11 vehicles a day, projected to reach 16 by 2045. The structure is 31 ft (9.4 m) long and 15 ft wide. If it were closed, the detour would be 98.2 mi (158 km).

Location

Open in Google Maps
CarriesWinding Road 611
CrossesBeaver Intake Ditch
Location18 Mi. Sse Norwood Co.
RouteFederal Lands Road 611
CountySan Miguel County
StateColorado
Coordinates37.91657, -108.19486
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating37.8 US tons
Inventory rating29.3 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialWood or Timber
DeckWood or timber
Main spans1
Design loadH 20
Structure length31 ft (9.4 m)
Longest span29 ft (8.7 m)
Deck width15 ft (4.7 m)
Roadway width14 ft (4.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic11 (2008)
Projected traffic16 by 2045
Trucks—
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed98.2 mi (158 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerU.S. Forest Service
Maintained byU.S. Forest Service
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Winding Road 611 over Beaver Intake Ditch built?

It was built in 1956, making it 69 years old in 2025.

What condition is Winding Road 611 over Beaver Intake Ditch 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 August 2024.

How much traffic does Winding Road 611 over Beaver Intake Ditch carry?

About 11 vehicles per day (2008 count).

How long is Winding Road 611 over Beaver Intake Ditch?

The structure is 31 ft (9.4 m) long with a longest span of 29 ft (8.7 m) and a deck 15 ft wide.

Who owns Winding Road 611 over Beaver Intake Ditch?

It is owned by the U.S. Forest Service.