US Bridges

Pa Cnty RD L10HB over Roan Wash

Good

Park County, Wyoming · 4 Miles S.E. of Garland · Structure no. FNN

Built
1989
36 years old
Condition
Good
inspected January 2024
Type
Culvert
Concrete Continuous
Length
31 ft
3 main spans
Daily traffic
130
2024 count
Owner
County
County Highway Agency

About this bridge

Pa Cnty RD L10HB over Roan Wash is a concrete continuous culvert carrying Pa Cnty RD L10HB over Roan Wash in Park County, Wyoming. It was built in 1989, so it is 36 years old, younger 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 130 vehicles a day, roughly 12% of them trucks, projected to reach 182 by 2043. The structure is 31 ft (9.6 m) long and 50 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesPa Cnty RD L10HB
CrossesRoan Wash
Location4 Miles S.E. of Garland
RouteCounty Highway L105B
StateWyoming
Coordinates44.73194, -108.62031
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 rating74.5 US tons
Inventory rating44.6 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans3
Design loadHS 20
Structure length31 ft (9.6 m)
Longest span10 ft (3 m)
Deck width50 ft (15.2 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic130 (2024)
Projected traffic182 by 2043
Trucks12%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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$34,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Pa Cnty RD L10HB over Roan Wash built?

It was built in 1989, making it 36 years old in 2025.

What condition is Pa Cnty RD L10HB over Roan Wash 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 L10HB over Roan Wash carry?

About 130 vehicles per day (2024 count), of which roughly 12% are trucks.

How long is Pa Cnty RD L10HB over Roan Wash?

The structure is 31 ft (9.6 m) long with a longest span of 10 ft (3 m) and a deck 50 ft wide.

Who owns Pa Cnty RD L10HB over Roan Wash?

It is owned by the County Highway Agency.