US Bridges

Cl Cnty RD 38N over I-90

Good

Campbell County, Wyoming · Gillette Marginal · Structure no. FIT

Built
1990
35 years old
Condition
Good
inspected May 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
260 ft
2 main spans
Daily traffic
7,593
2024 count
Owner
State
State Highway Agency

About this bridge

Cl Cnty RD 38N over I-90 is a steel continuous stringer/multi-beam or girder carrying Cl Cnty RD 38N over I-90 in Campbell County, Wyoming. It was built in 1990, so it is 35 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 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 7,593 vehicles a day, roughly 11% of them trucks, projected to reach 10,630 by 2043. The structure is 260 ft (79.2 m) long and 74 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesCl Cnty RD 38N
CrossesI-90
LocationGillette Marginal
RouteCounty Highway 0
StateWyoming
Coordinates44.29476, -105.44974
Functional classUrban Minor Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating77.1 US tons
Inventory rating43.5 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length260 ft (79.2 m)
Longest span128 ft (39 m)
Deck width74 ft (22.5 m)
Roadway width64 ft (19.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,593 (2024)
Projected traffic10,630 by 2043
Trucks11%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesOverpass structure at an interchange
CrossesHighway
Detour if closed5 mi (8 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Cl Cnty RD 38N over I-90 built?

It was built in 1990, making it 35 years old in 2025.

What condition is Cl Cnty RD 38N over I-90 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 May 2023.

How much traffic does Cl Cnty RD 38N over I-90 carry?

About 7,593 vehicles per day (2024 count), of which roughly 11% are trucks.

How long is Cl Cnty RD 38N over I-90?

The structure is 260 ft (79.2 m) long with a longest span of 128 ft (39 m) and a deck 74 ft wide.

Who owns Cl Cnty RD 38N over I-90?

It is owned by the State Highway Agency.