Is 229 S over Cst Mcarthur DR Cst Mon
PoorPosted for loadBuchanan County, Missouri · S 17 T 57 N R 35 W · Structure no. 1909
- Built
- 1976
- 49 years old
- Condition
- Poor
- inspected September 2024
- Type
- Stringer/Multi-beam or Girder
- Steel Continuous
- Length
- 6,659 ft
- 54 main spans
- Daily traffic
- 10,163
- 2024 count
- Owner
- State
- State Highway Agency
About this bridge
Is 229 S over Cst Mcarthur DR Cst Mon is a steel continuous stringer/multi-beam or girder carrying Is 229 S over Cst Mcarthur DR Cst Mon in Buchanan County, Missouri. It was built in 1976, so it is 49 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. Its operating status is: posted for load restriction.
It carries about 10,163 vehicles a day, roughly 14% of them trucks, projected to reach 17,277 by 2044. The structure is 6,659 ft (2,029.7 m) long and 32 ft wide. If it were closed, the detour would be 11.8 mi (19 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 | 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 Is 229 S over Cst Mcarthur DR Cst Mon built?
It was built in 1976, making it 49 years old in 2025.
What condition is Is 229 S over Cst Mcarthur DR Cst Mon 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 September 2024.
How much traffic does Is 229 S over Cst Mcarthur DR Cst Mon carry?
About 10,163 vehicles per day (2024 count), of which roughly 14% are trucks.
How long is Is 229 S over Cst Mcarthur DR Cst Mon?
The structure is 6,659 ft (2,029.7 m) long with a longest span of 117 ft (35.6 m) and a deck 32 ft wide.
Who owns Is 229 S over Cst Mcarthur DR Cst Mon?
It is owned by the State Highway Agency.