US Bridges

Wyo 220 over Dry Creek

Fair

Natrona County, Wyoming · Muddy Gap Jct-Wyo 487 JCT · Structure no. BUE

Built
1970
55 years old
Condition
Fair
inspected April 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
216 ft
3 main spans
Daily traffic
1,983
2024 count
Owner
State
State Highway Agency

About this bridge

Wyo 220 over Dry Creek is a steel continuous stringer/multi-beam or girder carrying Wyo 220 over Dry Creek in Natrona County, Wyoming. It was built in 1970, so it is 55 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 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 1,983 vehicles a day, roughly 27% of them trucks, projected to reach 2,776 by 2043. The structure is 216 ft (65.8 m) long and 39 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

Location

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CarriesWyo 220
CrossesDry Creek
LocationMuddy Gap Jct-Wyo 487 JCT
RouteState Highway 220
CountyNatrona County
StateWyoming
Coordinates42.52912, -107.11117
Functional classRural Principal Arterial - Other

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection6 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
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating56 US tons
Inventory rating34 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length216 ft (65.8 m)
Longest span84 ft (25.6 m)
Deck width39 ft (11.8 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,983 (2024)
Projected traffic2,776 by 2043
Trucks27%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed98.8 mi (159 km)
TollOn a free road
National Highway SystemYes

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$125,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Wyo 220 over Dry Creek built?

It was built in 1970, making it 55 years old in 2025.

What condition is Wyo 220 over Dry 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 Dry Creek carry?

About 1,983 vehicles per day (2024 count), of which roughly 27% are trucks.

How long is Wyo 220 over Dry Creek?

The structure is 216 ft (65.8 m) long with a longest span of 84 ft (25.6 m) and a deck 39 ft wide.

Who owns Wyo 220 over Dry Creek?

It is owned by the State Highway Agency.