Mo 43 S over Elk Rvr
PoorMcDonald County, Missouri · S 22 T 22 N R 34 W · Structure no. 597
- Built
- 1960
- 65 years old
- Condition
- Poor
- inspected March 2024
- Type
- Girder and Floorbeam System
- Steel Continuous
- Length
- 409 ft
- 2 main spans
- Daily traffic
- 1,327
- 2024 count
- Owner
- State
- State Highway Agency
About this bridge
Mo 43 S over Elk Rvr is a steel continuous girder and floorbeam system carrying Mo 43 S over Elk Rvr in McDonald County, Missouri. It was built in 1960, so it is 65 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 3 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 1,327 vehicles a day, roughly 12% of them trucks, projected to reach 2,322 by 2044. The structure is 409 ft (124.7 m) long and 25 ft wide. If it were closed, the detour would be 34.8 mi (56 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 | 3 Serious | Loss of section, deterioration, spalling or scour have seriously affected primary structural components. |
| Superstructure | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
| Substructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Channel and channel protection | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Mo 43 S over Elk Rvr built?
It was built in 1960, making it 65 years old in 2025.
What condition is Mo 43 S over Elk Rvr 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 March 2024.
How much traffic does Mo 43 S over Elk Rvr carry?
About 1,327 vehicles per day (2024 count), of which roughly 12% are trucks.
How long is Mo 43 S over Elk Rvr?
The structure is 409 ft (124.7 m) long with a longest span of 161 ft (49.1 m) and a deck 25 ft wide.
Who owns Mo 43 S over Elk Rvr?
It is owned by the State Highway Agency.