US Bridges

Wyo 59 over Dry Fork Creek

Poor

Campbell County, Wyoming · Gillette-Montana · Structure no. HVK

Built
1960
65 years old
Condition
Poor
inspected July 2024
Type
Culvert
Steel
Length
33 ft
3 main spans
Daily traffic
1,336
2024 count
Owner
State
State Highway Agency

About this bridge

Wyo 59 over Dry Fork Creek is a steel culvert carrying Wyo 59 over Dry Fork Creek in Campbell County, Wyoming. It was built in 1960, so it is 65 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 1,336 vehicles a day, roughly 22% of them trucks, projected to reach 1,870 by 2043. The structure is 33 ft (10.1 m) long. If it were closed, the detour would be 98.8 mi (159 km).

CarriesWyo 59
CrossesDry Fork Creek
LocationGillette-Montana
RouteState Highway 59
StateWyoming
Coordinates44.42095, -105.45572
Functional classRural Minor Arterial

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
Channel and channel protection7 GoodSome minor problems.
Culvert4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionJuly 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
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
MaterialSteel
DeckNot applicable
Main spans3
Design loadHS 20
Structure length33 ft (10.1 m)
Longest span9 ft (2.6 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,336 (2024)
Projected traffic1,870 by 2043
Trucks22%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed98.8 mi (159 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—
NavigationNo navigation control on waterway

Frequently asked questions

When was Wyo 59 over Dry Fork Creek built?

It was built in 1960, making it 65 years old in 2025.

What condition is Wyo 59 over Dry Fork 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 July 2024.

How much traffic does Wyo 59 over Dry Fork Creek carry?

About 1,336 vehicles per day (2024 count), of which roughly 22% are trucks.

How long is Wyo 59 over Dry Fork Creek?

The structure is 33 ft (10.1 m) long with a longest span of 9 ft (2.6 m).

Who owns Wyo 59 over Dry Fork Creek?

It is owned by the State Highway Agency.