US Bridges

Cl Cnty RD 26 over Cow Creek

Good

Campbell County, Wyoming · 22 Miles NE of Gillette · Structure no. MJP

Built
2009
16 years old
Condition
Good
inspected February 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
52 ft
1 main span
Daily traffic
39
2024 count
Owner
County
County Highway Agency

About this bridge

Cl Cnty RD 26 over Cow Creek is a prestressed concrete stringer/multi-beam or girder carrying Cl Cnty RD 26 over Cow Creek in Campbell County, Wyoming. It was built in 2009, so it is 16 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 39 vehicles a day, roughly 26% of them trucks, projected to reach 55 by 2043. The structure is 52 ft (15.8 m) long and 31 ft wide. If it were closed, the detour would be 46 mi (74 km).

CarriesCl Cnty RD 26
CrossesCow Creek
Location22 Miles NE of Gillette
RouteCounty Highway 26
StateWyoming
Coordinates44.54321, -105.3497
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating65 US tons
Inventory rating34 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length52 ft (15.8 m)
Longest span50 ft (15.2 m)
Deck width31 ft (9.4 m)
Roadway width28 ft (8.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic39 (2024)
Projected traffic55 by 2043
Trucks26%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed46 mi (74 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$12,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Cl Cnty RD 26 over Cow Creek built?

It was built in 2009, making it 16 years old in 2025.

What condition is Cl Cnty RD 26 over Cow 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 February 2024.

How much traffic does Cl Cnty RD 26 over Cow Creek carry?

About 39 vehicles per day (2024 count), of which roughly 26% are trucks.

How long is Cl Cnty RD 26 over Cow Creek?

The structure is 52 ft (15.8 m) long with a longest span of 50 ft (15.2 m) and a deck 31 ft wide.

Who owns Cl Cnty RD 26 over Cow Creek?

It is owned by the County Highway Agency.