Na Cnty RD 308 over North Platte River
FairNatrona County, Wyoming · Bessemer Road CN1-308 · Structure no. KKR
- Built
- 1997
- 28 years old
- Condition
- Fair
- inspected August 2023
- Type
- Stringer/Multi-beam or Girder
- Steel Continuous
- Length
- 299 ft
- 4 main spans
- Daily traffic
- 281
- 2024 count
- Owner
- County
- County Highway Agency
About this bridge
Na Cnty RD 308 over North Platte River is a steel continuous stringer/multi-beam or girder carrying Na Cnty RD 308 over North Platte River in Natrona County, Wyoming. It was built in 1997, so it is 28 years old, younger 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 5 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 281 vehicles a day, roughly 2% of them trucks, projected to reach 393 by 2043. The structure is 299 ft (91.1 m) long and 33 ft wide. If it were closed, the detour would be 24.2 mi (39 km).
Location
Open in Google MapsCondition and inspection
The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 7 Good | Some minor problems. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Na Cnty RD 308 over North Platte River built?
It was built in 1997, making it 28 years old in 2025.
What condition is Na Cnty RD 308 over North Platte River 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 August 2023.
How much traffic does Na Cnty RD 308 over North Platte River carry?
About 281 vehicles per day (2024 count), of which roughly 2% are trucks.
How long is Na Cnty RD 308 over North Platte River?
The structure is 299 ft (91.1 m) long with a longest span of 82 ft (25 m) and a deck 33 ft wide.
Who owns Na Cnty RD 308 over North Platte River?
It is owned by the County Highway Agency.