US Bridges

We Cnty RD 54 over Black Thunder Creek

Good

Weston County, Wyoming · 32 Miles SW of Newcastle · Structure no. NEZ

Built
2021
4 years old
Condition
Good
inspected October 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
102 ft
1 main span
Daily traffic
31
2024 count
Owner
County
County Highway Agency

About this bridge

We Cnty RD 54 over Black Thunder Creek is a steel stringer/multi-beam or girder carrying We Cnty RD 54 over Black Thunder Creek in Weston County, Wyoming. It was built in 2021, so it is 4 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 31 vehicles a day, roughly 26% of them trucks, projected to reach 43 by 2043. The structure is 102 ft (31 m) long and 28 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

CarriesWe Cnty RD 54
CrossesBlack Thunder Creek
Location32 Miles SW of Newcastle
RouteCounty Highway 54
StateWyoming
Coordinates43.58173, -104.72043
Functional classRural Minor Collector

Condition and inspection

Good

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

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating41.1 US tons
Inventory rating31.7 US tons

Structure

MaterialSteel
DeckCorrugated steel
Main spans1
Design loadHL 93
Structure length102 ft (31 m)
Longest span99 ft (30.3 m)
Deck width28 ft (8.5 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic31 (2024)
Projected traffic43 by 2043
Trucks26%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was We Cnty RD 54 over Black Thunder Creek built?

It was built in 2021, making it 4 years old in 2025.

What condition is We Cnty RD 54 over Black Thunder Creek 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 October 2023.

How much traffic does We Cnty RD 54 over Black Thunder Creek carry?

About 31 vehicles per day (2024 count), of which roughly 26% are trucks.

How long is We Cnty RD 54 over Black Thunder Creek?

The structure is 102 ft (31 m) long with a longest span of 99 ft (30.3 m) and a deck 28 ft wide.

Who owns We Cnty RD 54 over Black Thunder Creek?

It is owned by the County Highway Agency.