US Bridges

Pa Cnty RD L9A over Bitter Creek

PoorPosted for load

Park County, Wyoming · 3.75 Mi. S.E. of Garland · Structure no. CJS

Built
1937
88 years old
Condition
Poor
inspected January 2025
Type
Stringer/Multi-beam or Girder
Steel
Length
140 ft
3 main spans
Daily traffic
1,493
2024 count
Owner
County
County Highway Agency

About this bridge

Pa Cnty RD L9A over Bitter Creek is a steel stringer/multi-beam or girder carrying Pa Cnty RD L9A over Bitter Creek in Park County, Wyoming. It was built in 1937, so it is 88 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 1,493 vehicles a day, roughly 13% of them trucks, projected to reach 2,090 by 2043. The structure is 140 ft (42.7 m) long and 28 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

CarriesPa Cnty RD L9A
CrossesBitter Creek
Location3.75 Mi. S.E. of Garland
RouteCounty Highway 0L9
StateWyoming
Coordinates44.75541, -108.59479
Functional classRural Local

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
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJanuary 2025
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating39.2 US tons
Inventory rating23.4 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadH 15
Structure length140 ft (42.7 m)
Longest span45 ft (13.7 m)
Deck width28 ft (8.4 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,493 (2024)
Projected traffic2,090 by 2043
Trucks13%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 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$32,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Pa Cnty RD L9A over Bitter Creek built?

It was built in 1937, making it 88 years old in 2025.

What condition is Pa Cnty RD L9A over Bitter Creek 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 January 2025.

How much traffic does Pa Cnty RD L9A over Bitter Creek carry?

About 1,493 vehicles per day (2024 count), of which roughly 13% are trucks.

How long is Pa Cnty RD L9A over Bitter Creek?

The structure is 140 ft (42.7 m) long with a longest span of 45 ft (13.7 m) and a deck 28 ft wide.

Who owns Pa Cnty RD L9A over Bitter Creek?

It is owned by the County Highway Agency.