48480 CO HWY 13 over Green Ck
PoorUnion County, South Dakota · 1.8S & 5.8E Alcester · Structure no. 000000064148058
- Built
- 1985
- 40 years old
- Condition
- Poor
- inspected August 2024
- Type
- Tee Beam
- Prestressed Concrete
- Length
- 51 ft
- 1 main span
- Daily traffic
- 500
- 2022 count
- Owner
- County
- County Highway Agency
About this bridge
48480 CO HWY 13 over Green Ck is a prestressed concrete tee beam carrying 48480 CO HWY 13 over Green Ck in Union County, South Dakota. It was built in 1985, so it is 40 years old, younger 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 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.
It carries about 500 vehicles a day, roughly 3% of them trucks, projected to reach 500 by 2032. The structure is 51 ft (15.5 m) long and 35 ft wide. If it were closed, the detour would be 3.1 mi (5 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 | 7 Good | Some minor problems. |
| Substructure | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was 48480 CO HWY 13 over Green Ck built?
It was built in 1985, making it 40 years old in 2025.
What condition is 48480 CO HWY 13 over Green Ck 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 48480 CO HWY 13 over Green Ck carry?
About 500 vehicles per day (2022 count), of which roughly 3% are trucks.
How long is 48480 CO HWY 13 over Green Ck?
The structure is 51 ft (15.5 m) long with a longest span of 49 ft (14.9 m) and a deck 35 ft wide.
Who owns 48480 CO HWY 13 over Green Ck?
It is owned by the County Highway Agency.