US Bridges

Ui Cnty RD 171 over West Muddy Creek

FairPosted for load

Uinta County, Wyoming · 4 Mi. S.W. of Piedmont · Structure no. FEO

Built
1984
41 years old
Condition
Fair
inspected May 2024
Type
Other
Steel
Length
42 ft
1 main span
Daily traffic
271
2024 count
Owner
County
County Highway Agency

About this bridge

Ui Cnty RD 171 over West Muddy Creek is a steel other carrying Ui Cnty RD 171 over West Muddy Creek in Uinta County, Wyoming. It was built in 1984, so it is 41 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. Its operating status is: posted for load restriction.

It carries about 271 vehicles a day, roughly 21% of them trucks, projected to reach 379 by 2043. The structure is 42 ft (12.8 m) long and 19 ft wide.

Location

Open in Google Maps
CarriesUi Cnty RD 171
CrossesWest Muddy Creek
Location4 Mi. S.W. of Piedmont
RouteCounty Highway 171
CountyUinta County
StateWyoming
Coordinates41.17072, -110.6597
Functional classRural Minor 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
Deck8 Very GoodNo problems noted.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating24.1 US tons
Inventory rating14.4 US tons

Structure

Structure typeOther
MaterialSteel
DeckCorrugated steel
Main spans1
Design loadUnknown
Structure length42 ft (12.8 m)
Longest span40 ft (12.2 m)
Deck width19 ft (5.8 m)
Roadway width18 ft (5.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic271 (2024)
Projected traffic379 by 2043
Trucks21%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$276,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Ui Cnty RD 171 over West Muddy Creek built?

It was built in 1984, making it 41 years old in 2025.

What condition is Ui Cnty RD 171 over West Muddy 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 May 2024.

How much traffic does Ui Cnty RD 171 over West Muddy Creek carry?

About 271 vehicles per day (2024 count), of which roughly 21% are trucks.

How long is Ui Cnty RD 171 over West Muddy Creek?

The structure is 42 ft (12.8 m) long with a longest span of 40 ft (12.2 m) and a deck 19 ft wide.

Who owns Ui Cnty RD 171 over West Muddy Creek?

It is owned by the County Highway Agency.