473RD AVENUE over BIG SIOUX RIVER
8.0W & 8.9N OF FLANDREAU · County 101, South Dakota · Built 1976 · 2 Lanes · 50 vehicles/day
Overall
Deck
6
Satisfactory
Superstructure
5
Fair
Substructure
6
Satisfactory
Condition Ratings
| Component | Rating | Description |
|---|---|---|
| Deck | 6 | Satisfactory |
| Superstructure | 5 | Fair |
| Substructure | 6 | Satisfactory |
Location
44.180447, -96.749767
This bridge is in worse condition than 62.5% of bridges in County 101. The average bridge in South Dakota is 0 years old; this one is 50 years old.
Nearby Bridges
I029 S over BIG SIOUX RV
Built 1966
I029 N over BIG SIOUX RV
Built 1966
220TH STREET over MEDARY CK
Built 1966
475TH AVENUE over TRIB. TO BIG SIOUX RIVER
Built 1980
I029 N over 223 ST (FAS)
Built 1966
I029 S over 223 ST (FAS)
Built 1966
219 ST over I029
Built 1966
219TH STREET over MEDARY CREEK
Built 1966
219TH STREET over CK
Built 1977
475TH AVENUE over BIG SIOUX RIVER
Built 1966
Bridge Details
- Structure #
- 000000051070011
- Year Built
- 1976
- Length
- 45.7 m (149.9 ft)
- Max Span
- 14.9 m
- Width
- 9.2 m (30.2 ft)
- Lanes
- 2
- Daily Traffic
- 50
- Material
- Prestressed Concrete
- Design
- Tee Beam
- Owner
- County Highway Agency
- Last Inspected
- N/A
- Est. Improvement
- $2,981,000
- Total Project Cost
- $3,011,000
Data from FHWA National Bridge Inventory. Bridge conditions may have changed since the last inspection. This site is not affiliated with FHWA. Do not use for route clearance purposes.