US Bridges

Pa Cnty RD R1A over Sidon Canal

Good

Park County, Wyoming · Apx 4 Miles SE of Garland · Structure no. FQX

Built
1970
55 years old
Condition
Good
inspected January 2024
Type
Culvert
Concrete Continuous
Length
31 ft
2 main spans
Daily traffic
119
2024 count
Owner
County
County Highway Agency

About this bridge

Pa Cnty RD R1A over Sidon Canal is a concrete continuous culvert carrying Pa Cnty RD R1A over Sidon Canal in Park County, Wyoming. It was built in 1970, so it is 55 years old, older than the Wyoming average of 48.4 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 119 vehicles a day, roughly 13% of them trucks, projected to reach 167 by 2043. The structure is 31 ft (9.4 m) long. If it were closed, the detour would be 16.8 mi (27 km).

CarriesPa Cnty RD R1A
CrossesSidon Canal
LocationApx 4 Miles SE of Garland
RouteCounty Highway 0R1
StateWyoming
Coordinates44.74045, -108.59556
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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert7 GoodSome minor problems.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadHS 20
Structure length31 ft (9.4 m)
Longest span15 ft (4.6 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic119 (2024)
Projected traffic167 by 2043
Trucks13%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed16.8 mi (27 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedOther structural work, including hydraulic replacements
Estimated improvement cost$35,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Pa Cnty RD R1A over Sidon Canal built?

It was built in 1970, making it 55 years old in 2025.

What condition is Pa Cnty RD R1A over Sidon Canal 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 January 2024.

How much traffic does Pa Cnty RD R1A over Sidon Canal carry?

About 119 vehicles per day (2024 count), of which roughly 13% are trucks.

How long is Pa Cnty RD R1A over Sidon Canal?

The structure is 31 ft (9.4 m) long with a longest span of 15 ft (4.6 m).

Who owns Pa Cnty RD R1A over Sidon Canal?

It is owned by the County Highway Agency.