US Bridges

CO Cnty RD 17 over Virden Creek

Poor

Converse County, Wyoming · 22 Mi. E.S.E. of Douglas · Structure no. DSO

Built
1965
60 years old
Condition
Poor
inspected September 2023
Type
Girder and Floorbeam System
Steel Continuous
Length
91 ft
3 main spans
Daily traffic
186
2024 count
Owner
County
County Highway Agency

About this bridge

CO Cnty RD 17 over Virden Creek is a steel continuous girder and floorbeam system carrying CO Cnty RD 17 over Virden Creek in Converse County, Wyoming. It was built in 1965, so it is 60 years old, older than the Wyoming average of 48.4 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 186 vehicles a day, roughly 31% of them trucks, projected to reach 260 by 2043. The structure is 91 ft (27.7 m) long and 16 ft wide. If it were closed, the detour would be 29.8 mi (48 km).

CarriesCO Cnty RD 17
CrossesVirden Creek
Location22 Mi. E.S.E. of Douglas
RouteCounty Highway 17
StateWyoming
Coordinates42.6595, -105.82253
Functional classRural Minor Collector

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating44 US tons
Inventory rating24 US tons

Structure

MaterialSteel Continuous
DeckWood or timber
Main spans3
Design loadUnknown
Structure length91 ft (27.7 m)
Longest span31 ft (9.4 m)
Deck width16 ft (4.9 m)
Roadway width15 ft (4.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic186 (2024)
Projected traffic260 by 2043
Trucks31%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed29.8 mi (48 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$505,000
NavigationNo navigation control on waterway

Frequently asked questions

When was CO Cnty RD 17 over Virden Creek built?

It was built in 1965, making it 60 years old in 2025.

What condition is CO Cnty RD 17 over Virden Creek in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in September 2023.

How much traffic does CO Cnty RD 17 over Virden Creek carry?

About 186 vehicles per day (2024 count), of which roughly 31% are trucks.

How long is CO Cnty RD 17 over Virden Creek?

The structure is 91 ft (27.7 m) long with a longest span of 31 ft (9.4 m) and a deck 16 ft wide.

Who owns CO Cnty RD 17 over Virden Creek?

It is owned by the County Highway Agency.