US Bridges

Fdr 637 over East Toner

Good

Hinsdale County, Colorado · 1.20 MI on Fdr 637 · Structure no. 021306000001168

Built
1965
60 years old
Condition
Good
inspected August 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
57 ft
3 main spans
Daily traffic
50
2003 count
Owner
Federal
U.S. Forest Service

About this bridge

Fdr 637 over East Toner is a steel continuous stringer/multi-beam or girder carrying Fdr 637 over East Toner in Hinsdale County, Colorado. It was built in 1965, so it is 60 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 50 vehicles a day, projected to reach 33 by 2013. The structure is 57 ft (17.4 m) long and 16 ft wide. If it were closed, the detour would be 98.2 mi (158 km).

CarriesFdr 637
CrossesEast Toner
Location1.20 MI on Fdr 637
RouteFederal Lands Road 637
Coordinates37.4543, -107.17626
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 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 evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating23.3 US tons
Inventory rating17.9 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 20
Structure length57 ft (17.4 m)
Longest span40 ft (12.2 m)
Deck width16 ft (4.9 m)
Roadway width14 ft (4.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (2003)
Projected traffic33 by 2013
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 proposedOther structural work, including hydraulic replacements
Estimated improvement cost$26,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Fdr 637 over East Toner built?

It was built in 1965, making it 60 years old in 2025.

What condition is Fdr 637 over East Toner 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 637 over East Toner carry?

About 50 vehicles per day (2003 count).

How long is Fdr 637 over East Toner?

The structure is 57 ft (17.4 m) long with a longest span of 40 ft (12.2 m) and a deck 16 ft wide.

Who owns Fdr 637 over East Toner?

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