Stewart RD over Flat Br CR
PoorBoone County, Missouri · S 13 T 48 N R 15 W · Structure no. 15425
- Built
- 1920
- 105 years old, rebuilt 1950
- Condition
- Poor
- inspected December 2024
- Type
- Stringer/Multi-beam or Girder
- Steel
- Length
- 29 ft
- 2 main spans
- Daily traffic
- 700
- 2023 count
- Owner
- City
- City or Municipal Highway Agency
About this bridge
Stewart RD over Flat Br CR is a steel stringer/multi-beam or girder carrying Stewart RD over Flat Br CR in Boone County, Missouri. It was built in 1920 and reconstructed in 1950, so it is 105 years old, older than the Missouri average of 45.1 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 700 vehicles a day, roughly 5% of them trucks, projected to reach 1,225 by 2043. The structure is 29 ft (8.8 m) long and 80 ft wide. If it were closed, the detour would be 0.6 mi (1 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 | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Superstructure | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| 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 Stewart RD over Flat Br CR built?
It was built in 1920, making it 105 years old in 2025. It was reconstructed in 1950.
What condition is Stewart RD over Flat Br CR 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 December 2024.
How much traffic does Stewart RD over Flat Br CR carry?
About 700 vehicles per day (2023 count), of which roughly 5% are trucks.
How long is Stewart RD over Flat Br CR?
The structure is 29 ft (8.8 m) long with a longest span of 13 ft (4 m) and a deck 80 ft wide.
Who owns Stewart RD over Flat Br CR?
It is owned by the City or Municipal Highway Agency.