US Bridges

Wyo 220 over Garden Creek

Fair

Natrona County, Wyoming · Casper · Structure no. KWN

Built
2001
24 years old
Condition
Fair
inspected April 2023
Type
Culvert
Concrete Continuous
Length
54 ft
4 main spans
Daily traffic
26,351
2024 count
Owner
State
State Highway Agency

About this bridge

Wyo 220 over Garden Creek is a concrete continuous culvert carrying Wyo 220 over Garden Creek in Natrona County, Wyoming. It was built in 2001, so it is 24 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 26,351 vehicles a day, roughly 3% of them trucks, projected to reach 36,891 by 2043. The structure is 54 ft (16.4 m) long. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesWyo 220
CrossesGarden Creek
LocationCasper
RouteState Highway 220
CountyNatrona County
StateWyoming
Coordinates42.83108, -106.34491
Functional classUrban Other Principal Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans4
Design loadHS 20
Structure length54 ft (16.4 m)
Longest span12 ft (3.6 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic26,351 (2024)
Projected traffic36,891 by 2043
Trucks3%
Lanes on structure5
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemYes

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—
NavigationNo navigation control on waterway

Frequently asked questions

When was Wyo 220 over Garden Creek built?

It was built in 2001, making it 24 years old in 2025.

What condition is Wyo 220 over Garden 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 April 2023.

How much traffic does Wyo 220 over Garden Creek carry?

About 26,351 vehicles per day (2024 count), of which roughly 3% are trucks.

How long is Wyo 220 over Garden Creek?

The structure is 54 ft (16.4 m) long with a longest span of 12 ft (3.6 m).

Who owns Wyo 220 over Garden Creek?

It is owned by the State Highway Agency.