I-90 Service Road over Spring Ck
PoorPosted for loadLawrence County, South Dakota · 2.5 Mi. SE Whitewood · Structure no. 000000041228112
- Built
- 1938
- 87 years old
- Condition
- Poor
- inspected July 2024
- Type
- Stringer/Multi-beam or Girder
- Steel
- Length
- 50 ft
- 1 main span
- Daily traffic
- 335
- 2022 count
- Owner
- County
- County Highway Agency
About this bridge
I-90 Service Road over Spring Ck is a steel stringer/multi-beam or girder carrying I-90 Service Road over Spring Ck in Lawrence County, South Dakota. It was built in 1938, so it is 87 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 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 335 vehicles a day, roughly 3% of them trucks, projected to reach 335 by 2032. The structure is 50 ft (15.2 m) long and 29 ft wide. If it were closed, the detour would be 24.9 mi (40 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 | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
| Superstructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| 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 I-90 Service Road over Spring Ck built?
It was built in 1938, making it 87 years old in 2025.
What condition is I-90 Service Road over Spring 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 July 2024.
How much traffic does I-90 Service Road over Spring Ck carry?
About 335 vehicles per day (2022 count), of which roughly 3% are trucks.
How long is I-90 Service Road over Spring Ck?
The structure is 50 ft (15.2 m) long with a longest span of 48 ft (14.6 m) and a deck 29 ft wide.
Who owns I-90 Service Road over Spring Ck?
It is owned by the County Highway Agency.