Madison CO SH 21 over Ditch
FairMadison County, Arkansas · 1.48 MI So US412 & 21 JCT · Structure no. 0000000000M0521
- Built
- 1961
- 64 years old
- Condition
- Fair
- inspected November 2023
- Type
- Culvert
- Concrete
- Length
- 24 ft
- 2 main spans
- Daily traffic
- 1,600
- 2018 count
- Owner
- State
- State Highway Agency
About this bridge
Madison CO SH 21 over Ditch is a concrete culvert carrying Madison CO SH 21 over Ditch in Madison County, Arkansas. It was built in 1961, so it is 64 years old, older than the Arkansas average of 45.1 years.
The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 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 1,600 vehicles a day, roughly 1% of them trucks, projected to reach 1,700 by 2028. The structure is 24 ft (7.3 m) long. If it were closed, the detour would be 23 mi (37 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 |
|---|---|---|
| Channel and channel protection | 7 Good | Some minor problems. |
| Culvert | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Madison CO SH 21 over Ditch built?
It was built in 1961, making it 64 years old in 2025.
What condition is Madison CO SH 21 over Ditch 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 November 2023.
How much traffic does Madison CO SH 21 over Ditch carry?
About 1,600 vehicles per day (2018 count), of which roughly 1% are trucks.
How long is Madison CO SH 21 over Ditch?
The structure is 24 ft (7.3 m) long with a longest span of 12 ft (3.7 m).
Who owns Madison CO SH 21 over Ditch?
It is owned by the State Highway Agency.