Bh Cnty RD L31 over Shell Creek
PoorPosted for loadBig Horn County, Wyoming · 0.5 Miles N. of Shell · Structure no. EJC
- Built
- 1950
- 75 years old, rebuilt 1960
- Condition
- Poor
- inspected May 2023
- Type
- Stringer/Multi-beam or Girder
- Steel Continuous
- Length
- 45 ft
- 2 main spans
- Daily traffic
- 31
- 2024 count
- Owner
- County
- County Highway Agency
About this bridge
Bh Cnty RD L31 over Shell Creek is a steel continuous stringer/multi-beam or girder carrying Bh Cnty RD L31 over Shell Creek in Big Horn County, Wyoming. It was built in 1950 and reconstructed in 1960, so it is 75 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 31 vehicles a day, roughly 3% of them trucks, projected to reach 43 by 2043. The structure is 45 ft (13.7 m) long and 16 ft wide. If it were closed, the detour would be 3.7 mi (6 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 | 7 Good | Some minor problems. |
| Superstructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Substructure | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
| Channel and channel protection | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Bh Cnty RD L31 over Shell Creek built?
It was built in 1950, making it 75 years old in 2025. It was reconstructed in 1960.
What condition is Bh Cnty RD L31 over Shell Creek 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 May 2023.
How much traffic does Bh Cnty RD L31 over Shell Creek carry?
About 31 vehicles per day (2024 count), of which roughly 3% are trucks.
How long is Bh Cnty RD L31 over Shell Creek?
The structure is 45 ft (13.7 m) long with a longest span of 22 ft (6.7 m) and a deck 16 ft wide.
Who owns Bh Cnty RD L31 over Shell Creek?
It is owned by the County Highway Agency.