Na Cnty RD 412 over Hogback Draw
PoorPosted for loadNatrona County, Wyoming · 3 Miles Northeast Alcova · Structure no. FOB
- Built
- 1929
- 96 years old
- Condition
- Poor
- inspected August 2024
- Type
- Stringer/Multi-beam or Girder
- Wood or Timber
- Length
- 74 ft
- 3 main spans
- Daily traffic
- 165
- 2024 count
- Owner
- County
- County Highway Agency
About this bridge
Na Cnty RD 412 over Hogback Draw is a wood or timber stringer/multi-beam or girder carrying Na Cnty RD 412 over Hogback Draw in Natrona County, Wyoming. It was built in 1929, so it is 96 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. Its operating status is: posted for load restriction.
It carries about 165 vehicles a day, roughly 9% of them trucks, projected to reach 231 by 2043. The structure is 74 ft (22.6 m) long and 21 ft wide. If it were closed, the detour would be 98.8 mi (159 km).
Location
Open in Google MapsCondition and inspection
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.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Superstructure | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| 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 412 over Hogback Draw built?
It was built in 1929, making it 96 years old in 2025.
What condition is Na Cnty RD 412 over Hogback Draw 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 August 2024.
How much traffic does Na Cnty RD 412 over Hogback Draw carry?
About 165 vehicles per day (2024 count), of which roughly 9% are trucks.
How long is Na Cnty RD 412 over Hogback Draw?
The structure is 74 ft (22.6 m) long with a longest span of 23 ft (7 m) and a deck 21 ft wide.
Who owns Na Cnty RD 412 over Hogback Draw?
It is owned by the County Highway Agency.