US Bridges

CR Cnty RD 179 over Arch Creek

Good

Crook County, Wyoming · 18 Mi. S.E. of Moorcroft · Structure no. NCE

Built
2019
6 years old
Condition
Good
inspected March 2024
Type
Tee Beam
Prestressed Concrete
Length
65 ft
1 main span
Daily traffic
28
2024 count
Owner
County
County Highway Agency

About this bridge

CR Cnty RD 179 over Arch Creek is a prestressed concrete tee beam carrying CR Cnty RD 179 over Arch Creek in Crook County, Wyoming. It was built in 2019, so it is 6 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 28 vehicles a day, roughly 4% of them trucks, projected to reach 39 by 2043. The structure is 65 ft (19.8 m) long and 30 ft wide. If it were closed, the detour would be 24.9 mi (40 km).

CarriesCR Cnty RD 179
CrossesArch Creek
Location18 Mi. S.E. of Moorcroft
RouteCounty Highway 179
StateWyoming
Coordinates44.22731, -104.57768
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 protection8 Very GoodNo problems noted.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48.9 US tons
Inventory rating37.8 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHL 93
Structure length65 ft (19.8 m)
Longest span63 ft (19.1 m)
Deck width30 ft (9 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic28 (2024)
Projected traffic39 by 2043
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed24.9 mi (40 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$224,000
NavigationNo navigation control on waterway

Frequently asked questions

When was CR Cnty RD 179 over Arch Creek built?

It was built in 2019, making it 6 years old in 2025.

What condition is CR Cnty RD 179 over Arch 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 March 2024.

How much traffic does CR Cnty RD 179 over Arch Creek carry?

About 28 vehicles per day (2024 count), of which roughly 4% are trucks.

How long is CR Cnty RD 179 over Arch Creek?

The structure is 65 ft (19.8 m) long with a longest span of 63 ft (19.1 m) and a deck 30 ft wide.

Who owns CR Cnty RD 179 over Arch Creek?

It is owned by the County Highway Agency.