US Bridges

Wyo 50 over Mud Spring Creek

Fair

Campbell County, Wyoming · Savageton-Pine Tree · Structure no. FKC

Built
1985
40 years old
Condition
Fair
inspected July 2024
Type
Culvert
Steel
Length
43 ft
3 main spans
Daily traffic
1,505
2024 count
Owner
State
State Highway Agency

About this bridge

Wyo 50 over Mud Spring Creek is a steel culvert carrying Wyo 50 over Mud Spring Creek in Campbell County, Wyoming. It was built in 1985, so it is 40 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 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 1,505 vehicles a day, roughly 31% of them trucks, projected to reach 2,107 by 2043. The structure is 43 ft (13.1 m) long. If it were closed, the detour would be 98.8 mi (159 km).

CarriesWyo 50
CrossesMud Spring Creek
LocationSavageton-Pine Tree
RouteState Highway 300
StateWyoming
Coordinates43.79788, -105.78361
Functional classRural Major Collector

Condition and inspection

Fair

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

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans3
Design loadHS 20
Structure length43 ft (13.1 m)
Longest span12 ft (3.6 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,505 (2024)
Projected traffic2,107 by 2043
Trucks31%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed98.8 mi (159 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Wyo 50 over Mud Spring Creek built?

It was built in 1985, making it 40 years old in 2025.

What condition is Wyo 50 over Mud Spring 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 July 2024.

How much traffic does Wyo 50 over Mud Spring Creek carry?

About 1,505 vehicles per day (2024 count), of which roughly 31% are trucks.

How long is Wyo 50 over Mud Spring Creek?

The structure is 43 ft (13.1 m) long with a longest span of 12 ft (3.6 m).

Who owns Wyo 50 over Mud Spring Creek?

It is owned by the State Highway Agency.