US Bridges

Pa Cnty RD 1AB over State Ditch

Good

Park County, Wyoming · 5 Miles S.E. of Clark · Structure no. CTK

Built
1960
65 years old
Condition
Good
inspected March 2023
Type
Culvert
Concrete
Length
20 ft
1 main span
Daily traffic
208
2024 count
Owner
County
County Highway Agency

About this bridge

Pa Cnty RD 1AB over State Ditch is a concrete culvert carrying Pa Cnty RD 1AB over State Ditch in Park County, Wyoming. It was built in 1960, so it is 65 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 208 vehicles a day, roughly 27% of them trucks, projected to reach 291 by 2043. The structure is 20 ft (6.1 m) long. If it were closed, the detour would be 9.9 mi (16 km).

CarriesPa Cnty RD 1AB
CrossesState Ditch
Location5 Miles S.E. of Clark
RouteCounty Highway 1AB
StateWyoming
Coordinates44.89972, -109.11823
Functional classRural Minor Collector

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 inspectionMarch 2023
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
DeckNot applicable
Main spans1
Design loadHS 20
Structure length20 ft (6.1 m)
Longest span20 ft (6.1 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic208 (2024)
Projected traffic291 by 2043
Trucks27%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed9.9 mi (16 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$36,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Pa Cnty RD 1AB over State Ditch built?

It was built in 1960, making it 65 years old in 2025.

What condition is Pa Cnty RD 1AB over State Ditch 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 March 2023.

How much traffic does Pa Cnty RD 1AB over State Ditch carry?

About 208 vehicles per day (2024 count), of which roughly 27% are trucks.

How long is Pa Cnty RD 1AB over State Ditch?

The structure is 20 ft (6.1 m) long with a longest span of 20 ft (6.1 m).

Who owns Pa Cnty RD 1AB over State Ditch?

It is owned by the County Highway Agency.