US Bridges

Na Cnty RD 402 over Bates Creek

Good

Natrona County, Wyoming · 9 MI SW of RD Crk School · Structure no. NDI

Built
2021
4 years old
Condition
Good
inspected August 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
85 ft
1 main span
Daily traffic
24
2024 count
Owner
County
County Highway Agency

About this bridge

Na Cnty RD 402 over Bates Creek is a steel stringer/multi-beam or girder carrying Na Cnty RD 402 over Bates Creek in Natrona 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 24 vehicles a day, roughly 8% of them trucks, projected to reach 34 by 2043. The structure is 85 ft (25.9 m) long and 29 ft wide. If it were closed, the detour would be 18 mi (29 km).

CarriesNa Cnty RD 402
CrossesBates Creek
Location9 MI SW of RD Crk School
RouteCounty Highway 402
StateWyoming
Coordinates42.54181, -106.33514
Functional classRural Local

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 inspectionAugust 2023
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 alignment6: Equal to present minimum criteria
Operating rating59.3 US tons
Inventory rating45.3 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length85 ft (25.9 m)
Longest span82 ft (25.1 m)
Deck width29 ft (8.9 m)
Roadway width26 ft (8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic24 (2024)
Projected traffic34 by 2043
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed18 mi (29 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Na Cnty RD 402 over Bates Creek built?

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

What condition is Na Cnty RD 402 over Bates 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 August 2023.

How much traffic does Na Cnty RD 402 over Bates Creek carry?

About 24 vehicles per day (2024 count), of which roughly 8% are trucks.

How long is Na Cnty RD 402 over Bates Creek?

The structure is 85 ft (25.9 m) long with a longest span of 82 ft (25.1 m) and a deck 29 ft wide.

Who owns Na Cnty RD 402 over Bates Creek?

It is owned by the County Highway Agency.