Cb Cnty RD 109 over Mill Creek
PoorPosted for loadCarbon County, Wyoming · 3 MI NW of Elk Mountain · Structure no. MIJ
- Built
- 1940
- 85 years old
- Condition
- Poor
- inspected August 2024
- Type
- Girder and Floorbeam System
- Steel
- Length
- 36 ft
- 1 main span
- Daily traffic
- 2
- 2024 count
- Owner
- County
- County Highway Agency
About this bridge
Cb Cnty RD 109 over Mill Creek is a steel girder and floorbeam system carrying Cb Cnty RD 109 over Mill Creek in Carbon County, Wyoming. It was built in 1940, so it is 85 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 2 vehicles a day, projected to reach 3 by 2043. The structure is 36 ft (10.9 m) long and 16 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
| Superstructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Substructure | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
| Channel and channel protection | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Cb Cnty RD 109 over Mill Creek built?
It was built in 1940, making it 85 years old in 2025.
What condition is Cb Cnty RD 109 over Mill 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 August 2024.
How much traffic does Cb Cnty RD 109 over Mill Creek carry?
About 2 vehicles per day (2024 count).
How long is Cb Cnty RD 109 over Mill Creek?
The structure is 36 ft (10.9 m) long with a longest span of 33 ft (10.1 m) and a deck 16 ft wide.
Who owns Cb Cnty RD 109 over Mill Creek?
It is owned by the County Highway Agency.