US Bridges

SH Cnty RD 145 over South Piney Creek

Fair

Sheridan County, Wyoming · Story · Structure no. FDN

Built
1986
39 years old
Condition
Fair
inspected April 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
60 ft
1 main span
Daily traffic
395
2024 count
Owner
County
County Highway Agency

About this bridge

SH Cnty RD 145 over South Piney Creek is a steel stringer/multi-beam or girder carrying SH Cnty RD 145 over South Piney Creek in Sheridan County, Wyoming. It was built in 1986, so it is 39 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 395 vehicles a day, roughly 4% of them trucks, projected to reach 553 by 2043. The structure is 60 ft (18.3 m) long and 29 ft wide.

CarriesSH Cnty RD 145
CrossesSouth Piney Creek
LocationStory
RouteCounty Highway 145
StateWyoming
Coordinates44.57093, -106.89072
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating78 US tons
Inventory rating47 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length60 ft (18.3 m)
Longest span57 ft (17.4 m)
Deck width29 ft (8.7 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic395 (2024)
Projected traffic553 by 2043
Trucks4%
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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was SH Cnty RD 145 over South Piney Creek built?

It was built in 1986, making it 39 years old in 2025.

What condition is SH Cnty RD 145 over South Piney 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 April 2024.

How much traffic does SH Cnty RD 145 over South Piney Creek carry?

About 395 vehicles per day (2024 count), of which roughly 4% are trucks.

How long is SH Cnty RD 145 over South Piney Creek?

The structure is 60 ft (18.3 m) long with a longest span of 57 ft (17.4 m) and a deck 29 ft wide.

Who owns SH Cnty RD 145 over South Piney Creek?

It is owned by the County Highway Agency.