US Bridges

Fdr 667 over East Fork San Juan River

Good

Archuleta County, Colorado · 3.4 MI on Fdr 667 · Structure no. 021306000001166

Built
1969
56 years old, rebuilt 1995
Condition
Good
inspected August 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
72 ft
3 main spans
Daily traffic
129
2003 count
Owner
Federal
U.S. Forest Service

About this bridge

Fdr 667 over East Fork San Juan River is a steel continuous stringer/multi-beam or girder carrying Fdr 667 over East Fork San Juan River in Archuleta County, Colorado. It was built in 1969 and reconstructed in 1995, so it is 56 years old, older than the Colorado average of 42.2 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 129 vehicles a day, roughly 10% of them trucks, projected to reach 105 by 2013. The structure is 72 ft (21.9 m) long and 26 ft wide. If it were closed, the detour would be 98.2 mi (158 km).

CarriesFdr 667
CrossesEast Fork San Juan River
Location3.4 MI on Fdr 667
RouteFederal Lands Road 667
Coordinates37.38785, -106.84726
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating35.1 US tons
Inventory rating27.1 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length72 ft (21.9 m)
Longest span50 ft (15.3 m)
Deck width26 ft (8 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic129 (2003)
Projected traffic105 by 2013
Trucks10%
Lanes on structure2
Traffic directionTwo-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$29,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Fdr 667 over East Fork San Juan River built?

It was built in 1969, making it 56 years old in 2025. It was reconstructed in 1995.

What condition is Fdr 667 over East Fork San Juan River in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in August 2024.

How much traffic does Fdr 667 over East Fork San Juan River carry?

About 129 vehicles per day (2003 count), of which roughly 10% are trucks.

How long is Fdr 667 over East Fork San Juan River?

The structure is 72 ft (21.9 m) long with a longest span of 50 ft (15.3 m) and a deck 26 ft wide.

Who owns Fdr 667 over East Fork San Juan River?

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