US Bridges

Cl Cnty RD 98 over Little Powder River

Fair

Campbell County, Wyoming · 50 MI N of Gillette · Structure no. FJX

Built
1987
38 years old
Condition
Fair
inspected February 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
93 ft
1 main span
Daily traffic
17
2024 count
Owner
County
County Highway Agency

About this bridge

Cl Cnty RD 98 over Little Powder River is a prestressed concrete stringer/multi-beam or girder carrying Cl Cnty RD 98 over Little Powder River in Campbell County, Wyoming. It was built in 1987, so it is 38 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 17 vehicles a day, roughly 12% of them trucks, projected to reach 24 by 2043. The structure is 93 ft (28.3 m) long and 31 ft wide. If it were closed, the detour would be 16.8 mi (27 km).

CarriesCl Cnty RD 98
CrossesLittle Powder River
Location50 MI N of Gillette
RouteCounty Highway 98
StateWyoming
Coordinates44.98266, -105.34532
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.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating70 US tons
Inventory rating40 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length93 ft (28.3 m)
Longest span89 ft (27.1 m)
Deck width31 ft (9.4 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic17 (2024)
Projected traffic24 by 2043
Trucks12%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed16.8 mi (27 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 98 over Little Powder River built?

It was built in 1987, making it 38 years old in 2025.

What condition is Cl Cnty RD 98 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 2024.

How much traffic does Cl Cnty RD 98 over Little Powder River carry?

About 17 vehicles per day (2024 count), of which roughly 12% are trucks.

How long is Cl Cnty RD 98 over Little Powder River?

The structure is 93 ft (28.3 m) long with a longest span of 89 ft (27.1 m) and a deck 31 ft wide.

Who owns Cl Cnty RD 98 over Little Powder River?

It is owned by the County Highway Agency.