US Bridges

Cl Cnty RD 3 over I-90

Fair

Campbell County, Wyoming · Gillette - Moorcroft · Structure no. CDM

Built
1976
49 years old
Condition
Fair
inspected May 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
268 ft
2 main spans
Daily traffic
760
2024 count
Owner
State
State Highway Agency

About this bridge

Cl Cnty RD 3 over I-90 is a steel continuous stringer/multi-beam or girder carrying Cl Cnty RD 3 over I-90 in Campbell County, Wyoming. It was built in 1976, so it is 49 years old, older 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 760 vehicles a day, roughly 8% of them trucks, projected to reach 1,064 by 2043. The structure is 268 ft (81.7 m) long and 35 ft wide.

CarriesCl Cnty RD 3
CrossesI-90
LocationGillette - Moorcroft
RouteCounty Highway 3
StateWyoming
Coordinates44.29306, -105.37193
Functional classRural Local

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.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating65.9 US tons
Inventory rating39.6 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20 + Mod
Structure length268 ft (81.7 m)
Longest span132 ft (40.2 m)
Deck width35 ft (10.6 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic760 (2024)
Projected traffic1,064 by 2043
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesOverpass structure at an interchange
CrossesHighway
Detour if closed—
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedOther structural work, including hydraulic replacements
Estimated improvement cost$93,000
NavigationNot applicable (no waterway)

Frequently asked questions

When was Cl Cnty RD 3 over I-90 built?

It was built in 1976, making it 49 years old in 2025.

What condition is Cl Cnty RD 3 over I-90 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 May 2023.

How much traffic does Cl Cnty RD 3 over I-90 carry?

About 760 vehicles per day (2024 count), of which roughly 8% are trucks.

How long is Cl Cnty RD 3 over I-90?

The structure is 268 ft (81.7 m) long with a longest span of 132 ft (40.2 m) and a deck 35 ft wide.

Who owns Cl Cnty RD 3 over I-90?

It is owned by the State Highway Agency.