Twnshp RD 480 Av over Mud Creek
PoorPosted for loadDeuel County, South Dakota · 4E & 5.4N Tunerville · Structure no. 000000020140006
- Built
- 1950
- 75 years old
- Condition
- Poor
- inspected August 2024
- Type
- Stringer/Multi-beam or Girder
- Steel
- Length
- 35 ft
- 1 main span
- Daily traffic
- 25
- 2022 count
- Owner
- County
- County Highway Agency
About this bridge
Twnshp RD 480 Av over Mud Creek is a steel stringer/multi-beam or girder carrying Twnshp RD 480 Av over Mud Creek in Deuel County, South Dakota. It was built in 1950, so it is 75 years old, older than the South Dakota average of 48.9 years.
The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 3 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 25 vehicles a day, roughly 2% of them trucks, projected to reach 25 by 2032. The structure is 35 ft (10.7 m) long and 26 ft wide. If it were closed, the detour would be 1.9 mi (3 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 | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Substructure | 3 Serious | Loss of section, deterioration, spalling or scour have seriously affected primary structural components. |
| Channel and channel protection | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Twnshp RD 480 Av over Mud Creek built?
It was built in 1950, making it 75 years old in 2025.
What condition is Twnshp RD 480 Av over Mud 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 Twnshp RD 480 Av over Mud Creek carry?
About 25 vehicles per day (2022 count), of which roughly 2% are trucks.
How long is Twnshp RD 480 Av over Mud Creek?
The structure is 35 ft (10.7 m) long with a longest span of 29 ft (8.8 m) and a deck 26 ft wide.
Who owns Twnshp RD 480 Av over Mud Creek?
It is owned by the County Highway Agency.