US Bridges

Fdr 105-4B over Frying Pan Rv

Good

Pitkin County, Colorado · Chapman C.G. · Structure no. 021503000001009

Built
1964
61 years old
Condition
Good
inspected July 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
56 ft
3 main spans
Daily traffic
50
1994 count
Owner
Federal
U.S. Forest Service

About this bridge

Fdr 105-4B over Frying Pan Rv is a steel continuous stringer/multi-beam or girder carrying Fdr 105-4B over Frying Pan Rv in Pitkin County, Colorado. It was built in 1964, so it is 61 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 75 by 2045. The structure is 56 ft (17.1 m) long and 23 ft wide. If it were closed, the detour would be 98.2 mi (158 km).

CarriesFdr 105-4B
CrossesFrying Pan Rv
LocationChapman C.G.
RouteFederal Lands Road 105.1
Coordinates39.31477, -106.64344
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 protection8 Very GoodNo problems noted.
Last inspectionJuly 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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating38.3 US tons
Inventory rating29.7 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 15
Structure length56 ft (17.1 m)
Longest span40 ft (12.2 m)
Deck width23 ft (7 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (1994)
Projected traffic75 by 2045
Trucks—
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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Fdr 105-4B over Frying Pan Rv built?

It was built in 1964, making it 61 years old in 2025.

What condition is Fdr 105-4B over Frying Pan Rv 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 July 2024.

How much traffic does Fdr 105-4B over Frying Pan Rv carry?

About 50 vehicles per day (1994 count).

How long is Fdr 105-4B over Frying Pan Rv?

The structure is 56 ft (17.1 m) long with a longest span of 40 ft (12.2 m) and a deck 23 ft wide.

Who owns Fdr 105-4B over Frying Pan Rv?

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