US Bridges

Cl Cnty RD 49 over Little Powder River

Fair

Campbell County, Wyoming · Rocky Point Road · Structure no. KLU

Built
1996
29 years old
Condition
Fair
inspected February 2025
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
164 ft
3 main spans
Daily traffic
113
2024 count
Owner
County
County Highway Agency

About this bridge

Cl Cnty RD 49 over Little Powder River is a prestressed concrete stringer/multi-beam or girder carrying Cl Cnty RD 49 over Little Powder River in Campbell 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 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 113 vehicles a day, roughly 17% of them trucks, projected to reach 158 by 2043. The structure is 164 ft (50 m) long and 32 ft wide. If it were closed, the detour would be 62.8 mi (101 km).

CarriesCl Cnty RD 49
CrossesLittle Powder River
LocationRocky Point Road
RouteCounty Highway 49
StateWyoming
Coordinates44.64958, -105.30972
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.
Substructure8 Very GoodNo problems noted.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating70 US tons
Inventory rating42 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length164 ft (50 m)
Longest span55 ft (16.8 m)
Deck width32 ft (9.8 m)
Roadway width29 ft (8.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic113 (2024)
Projected traffic158 by 2043
Trucks17%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed62.8 mi (101 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Cl Cnty RD 49 over Little Powder River built?

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

What condition is Cl Cnty RD 49 over Little Powder River 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 Cl Cnty RD 49 over Little Powder River carry?

About 113 vehicles per day (2024 count), of which roughly 17% are trucks.

How long is Cl Cnty RD 49 over Little Powder River?

The structure is 164 ft (50 m) long with a longest span of 55 ft (16.8 m) and a deck 32 ft wide.

Who owns Cl Cnty RD 49 over Little Powder River?

It is owned by the County Highway Agency.