US Bridges

Cb Cnty RD 1 over Rock Creek

Fair

Carbon County, Wyoming · 1 MI W of Mcfadden · Structure no. MNX

Built
2012
13 years old
Condition
Fair
inspected June 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
41 ft
1 main span
Daily traffic
59
2024 count
Owner
County
County Highway Agency

About this bridge

Cb Cnty RD 1 over Rock Creek is a steel stringer/multi-beam or girder carrying Cb Cnty RD 1 over Rock Creek in Carbon County, Wyoming. It was built in 2012, so it is 13 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 59 vehicles a day, roughly 7% of them trucks, projected to reach 83 by 2043. The structure is 41 ft (12.4 m) long and 24 ft wide. If it were closed, the detour would be 34.8 mi (56 km).

CarriesCb Cnty RD 1
CrossesRock Creek
Location1 MI W of Mcfadden
RouteCounty Highway 1
StateWyoming
Coordinates41.65721, -106.14086
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.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2024
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 alignment6: Equal to present minimum criteria
Operating rating70 US tons
Inventory rating42 US tons

Structure

MaterialSteel
DeckCorrugated steel
Main spans1
Design loadHL 93
Structure length41 ft (12.4 m)
Longest span39 ft (12 m)
Deck width24 ft (7.3 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic59 (2024)
Projected traffic83 by 2043
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed34.8 mi (56 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 Cb Cnty RD 1 over Rock Creek built?

It was built in 2012, making it 13 years old in 2025.

What condition is Cb Cnty RD 1 over Rock 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 June 2024.

How much traffic does Cb Cnty RD 1 over Rock Creek carry?

About 59 vehicles per day (2024 count), of which roughly 7% are trucks.

How long is Cb Cnty RD 1 over Rock Creek?

The structure is 41 ft (12.4 m) long with a longest span of 39 ft (12 m) and a deck 24 ft wide.

Who owns Cb Cnty RD 1 over Rock Creek?

It is owned by the County Highway Agency.