Main Street over Maple River
FairBrown County, South Dakota · West Edge of Frederick · Structure no. 000000007103073
- Built
- 1981
- 44 years old
- Condition
- Fair
- inspected July 2024
- Type
- Tee Beam
- Prestressed Concrete
- Length
- 135 ft
- 3 main spans
- Daily traffic
- 267
- 2022 count
- Owner
- County
- County Highway Agency
About this bridge
Main Street over Maple River is a prestressed concrete tee beam carrying Main Street over Maple River in Brown County, South Dakota. It was built in 1981, so it is 44 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 fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
It carries about 267 vehicles a day, roughly 2% of them trucks, projected to reach 267 by 2032. The structure is 135 ft (41.1 m) long and 31 ft wide. If it were closed, the detour would be 1.2 mi (2 km).
Location
Open in Google MapsCondition and inspection
The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 6 Satisfactory | Structural elements show some minor deterioration. |
| Superstructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Substructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, 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 Main Street over Maple River built?
It was built in 1981, making it 44 years old in 2025.
What condition is Main Street over Maple River in?
The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in July 2024.
How much traffic does Main Street over Maple River carry?
About 267 vehicles per day (2022 count), of which roughly 2% are trucks.
How long is Main Street over Maple River?
The structure is 135 ft (41.1 m) long with a longest span of 65 ft (19.8 m) and a deck 31 ft wide.
Who owns Main Street over Maple River?
It is owned by the County Highway Agency.