US Bridges

FR Cnty RD 480 over Pilot Canal

PoorPosted for load

Fremont County, Wyoming · Kinnear - North · Structure no. COS

Built
1950
75 years old
Condition
Poor
inspected March 2024
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
77 ft
3 main spans
Daily traffic
265
2024 count
Owner
County
County Highway Agency

About this bridge

FR Cnty RD 480 over Pilot Canal is a wood or timber stringer/multi-beam or girder carrying FR Cnty RD 480 over Pilot Canal in Fremont County, Wyoming. It was built in 1950, so it is 75 years old, older than the Wyoming average of 48.4 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.

It carries about 265 vehicles a day, roughly 16% of them trucks, projected to reach 371 by 2043. The structure is 77 ft (23.5 m) long and 26 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesFR Cnty RD 480
CrossesPilot Canal
LocationKinnear - North
RouteCounty Highway 480
StateWyoming
Coordinates43.15318, -108.67769
Functional classRural Minor Collector

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionMarch 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
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 rating43.7 US tons
Inventory rating31 US tons

Structure

MaterialWood or Timber
DeckWood or timber
Main spans3
Design loadH 15
Structure length77 ft (23.5 m)
Longest span25 ft (7.6 m)
Deck width26 ft (7.8 m)
Roadway width25 ft (7.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic265 (2024)
Projected traffic371 by 2043
Trucks16%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedOther structural work, including hydraulic replacements
Estimated improvement cost$54,000
NavigationNo navigation control on waterway

Frequently asked questions

When was FR Cnty RD 480 over Pilot Canal built?

It was built in 1950, making it 75 years old in 2025.

What condition is FR Cnty RD 480 over Pilot Canal in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in March 2024.

How much traffic does FR Cnty RD 480 over Pilot Canal carry?

About 265 vehicles per day (2024 count), of which roughly 16% are trucks.

How long is FR Cnty RD 480 over Pilot Canal?

The structure is 77 ft (23.5 m) long with a longest span of 25 ft (7.6 m) and a deck 26 ft wide.

Who owns FR Cnty RD 480 over Pilot Canal?

It is owned by the County Highway Agency.