US Bridges

Fdr 648 over Wolf Creek

Fair

Mineral County, Colorado · 13.5 MI Nne of Pagosa Spj · Structure no. 021306000001023

Built
1956
69 years old, rebuilt 1992
Condition
Fair
inspected August 2024
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
66 ft
3 main spans
Daily traffic
113
2002 count
Owner
Federal
U.S. Forest Service

About this bridge

Fdr 648 over Wolf Creek is a wood or timber stringer/multi-beam or girder carrying Fdr 648 over Wolf Creek in Mineral County, Colorado. It was built in 1956 and reconstructed in 1992, 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 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 113 vehicles a day, roughly 10% of them trucks, projected to reach 10 by 2012. The structure is 66 ft (20 m) long and 15 ft wide. If it were closed, the detour would be 98.2 mi (158 km).

CarriesFdr 648
CrossesWolf Creek
Location13.5 MI Nne of Pagosa Spj
RouteFederal Lands Road 648
Coordinates37.44193, -106.88706
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation6: Equal to present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating30.3 US tons
Inventory rating23.6 US tons

Structure

MaterialWood or Timber
DeckWood or timber
Main spans3
Design loadHS 20
Structure length66 ft (20 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 traffic113 (2002)
Projected traffic10 by 2012
Trucks10%
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 proposedOther structural work, including hydraulic replacements
Estimated improvement cost$230,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Fdr 648 over Wolf Creek built?

It was built in 1956, making it 69 years old in 2025. It was reconstructed in 1992.

What condition is Fdr 648 over Wolf Creek 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 Fdr 648 over Wolf Creek carry?

About 113 vehicles per day (2002 count), of which roughly 10% are trucks.

How long is Fdr 648 over Wolf Creek?

The structure is 66 ft (20 m) long with a longest span of 29 ft (8.7 m) and a deck 15 ft wide.

Who owns Fdr 648 over Wolf Creek?

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