US Bridges

Cb Cnty RD 303 over Cow Creek

Fair

Carbon County, Wyoming · 7.5 Mi. N. of Encampment · Structure no. EDC

Built
1982
43 years old
Condition
Fair
inspected August 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
40 ft
1 main span
Daily traffic
18
2024 count
Owner
County
County Highway Agency

About this bridge

Cb Cnty RD 303 over Cow Creek is a steel stringer/multi-beam or girder carrying Cb Cnty RD 303 over Cow Creek in Carbon County, Wyoming. It was built in 1982, so it is 43 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 5 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 18 vehicles a day, roughly 6% of them trucks, projected to reach 25 by 2043. The structure is 40 ft (12.3 m) long and 25 ft wide. If it were closed, the detour would be 8.7 mi (14 km).

Location

Open in Google Maps
CarriesCb Cnty RD 303
CrossesCow Creek
Location7.5 Mi. N. of Encampment
RouteCounty Highway 303A
CountyCarbon County
StateWyoming
Coordinates41.31047, -106.77905
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating42.7 US tons
Inventory rating36.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckCorrugated steel
Main spans1
Design loadUnknown
Structure length40 ft (12.3 m)
Longest span39 ft (11.8 m)
Deck width25 ft (7.7 m)
Roadway width24 ft (7.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic18 (2024)
Projected traffic25 by 2043
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.7 mi (14 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedOther structural work, including hydraulic replacements
Estimated improvement cost$41,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Cb Cnty RD 303 over Cow Creek built?

It was built in 1982, making it 43 years old in 2025.

What condition is Cb Cnty RD 303 over Cow 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 August 2023.

How much traffic does Cb Cnty RD 303 over Cow Creek carry?

About 18 vehicles per day (2024 count), of which roughly 6% are trucks.

How long is Cb Cnty RD 303 over Cow Creek?

The structure is 40 ft (12.3 m) long with a longest span of 39 ft (11.8 m) and a deck 25 ft wide.

Who owns Cb Cnty RD 303 over Cow Creek?

It is owned by the County Highway Agency.