US Bridges

SH Cnty RD 1211 over Prairie Dog Creek

Good

Sheridan County, Wyoming · 3 Miles N.E. of Sheridan · Structure no. KOJ

Built
1996
29 years old
Condition
Good
inspected April 2024
Type
Culvert
Concrete
Length
26 ft
2 main spans
Daily traffic
668
2024 count
Owner
County
County Highway Agency

About this bridge

SH Cnty RD 1211 over Prairie Dog Creek is a concrete culvert carrying SH Cnty RD 1211 over Prairie Dog Creek in Sheridan County, Wyoming. It was built in 1996, so it is 29 years old, younger than the Wyoming average of 48.4 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 668 vehicles a day, roughly 9% of them trucks, projected to reach 935 by 2043. The structure is 26 ft (8 m) long and 27 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesSH Cnty RD 1211
CrossesPrairie Dog Creek
Location3 Miles N.E. of Sheridan
RouteCounty Highway 1211
StateWyoming
Coordinates44.84203, -106.88137
Functional classRural Minor Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert8 Very GoodNo problems noted.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
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
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20
Structure length26 ft (8 m)
Longest span12 ft (3.7 m)
Deck width27 ft (8.2 m)
Roadway width24 ft (7.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic668 (2024)
Projected traffic935 by 2043
Trucks9%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
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 proposedOther structural work, including hydraulic replacements
Estimated improvement cost$4,000
NavigationNo navigation control on waterway

Frequently asked questions

When was SH Cnty RD 1211 over Prairie Dog Creek built?

It was built in 1996, making it 29 years old in 2025.

What condition is SH Cnty RD 1211 over Prairie Dog Creek in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in April 2024.

How much traffic does SH Cnty RD 1211 over Prairie Dog Creek carry?

About 668 vehicles per day (2024 count), of which roughly 9% are trucks.

How long is SH Cnty RD 1211 over Prairie Dog Creek?

The structure is 26 ft (8 m) long with a longest span of 12 ft (3.7 m) and a deck 27 ft wide.

Who owns SH Cnty RD 1211 over Prairie Dog Creek?

It is owned by the County Highway Agency.