US Bridges

Bh Cnty RD R52 over Medicine Lodge Creek

FairPosted for load

Big Horn County, Wyoming · Medicine Lodge State Park · Structure no. FMJ

Built
1980
45 years old
Condition
Fair
inspected February 2025
Type
Stringer/Multi-beam or Girder
Steel
Length
57 ft
1 main span
Daily traffic
228
2024 count
Owner
State
State Park, Forest, or Reservation Agency

About this bridge

Bh Cnty RD R52 over Medicine Lodge Creek is a steel stringer/multi-beam or girder carrying Bh Cnty RD R52 over Medicine Lodge Creek in Big Horn County, Wyoming. It was built in 1980, so it is 45 years old, younger than the Wyoming average of 48.4 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for load restriction.

It carries about 228 vehicles a day, roughly 9% of them trucks, projected to reach 319 by 2043. The structure is 57 ft (17.4 m) long and 16 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

CarriesBh Cnty RD R52
CrossesMedicine Lodge Creek
LocationMedicine Lodge State Park
RouteCounty Highway MLSP1
StateWyoming
Coordinates44.29428, -107.54031
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionFebruary 2025
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating33.8 US tons
Inventory rating20.2 US tons

Structure

MaterialSteel
DeckWood or timber
Main spans1
Design loadUnknown
Structure length57 ft (17.4 m)
Longest span54 ft (16.5 m)
Deck width16 ft (4.9 m)
Roadway width15 ft (4.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic228 (2024)
Projected traffic319 by 2043
Trucks9%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed98.8 mi (159 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Park, Forest, or Reservation Agency
Maintained byState Park, Forest, or Reservation Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedOther structural work, including hydraulic replacements
Estimated improvement cost$70,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Bh Cnty RD R52 over Medicine Lodge Creek built?

It was built in 1980, making it 45 years old in 2025.

What condition is Bh Cnty RD R52 over Medicine Lodge Creek in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in February 2025.

How much traffic does Bh Cnty RD R52 over Medicine Lodge Creek carry?

About 228 vehicles per day (2024 count), of which roughly 9% are trucks.

How long is Bh Cnty RD R52 over Medicine Lodge Creek?

The structure is 57 ft (17.4 m) long with a longest span of 54 ft (16.5 m) and a deck 16 ft wide.

Who owns Bh Cnty RD R52 over Medicine Lodge Creek?

It is owned by the State Park, Forest, or Reservation Agency.