Mo 99 S over Spring CR
PoorShannon County, Missouri · S 20 T 26 N R 5 W · Structure no. 5740
- Built
- 1934
- 91 years old
- Condition
- Poor
- inspected December 2024
- Type
- Stringer/Multi-beam or Girder
- Steel
- Length
- 203 ft
- 5 main spans
- Daily traffic
- 451
- 2024 count
- Owner
- State
- State Highway Agency
About this bridge
Mo 99 S over Spring CR is a steel stringer/multi-beam or girder carrying Mo 99 S over Spring CR in Shannon County, Missouri. It was built in 1934, so it is 91 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 451 vehicles a day, roughly 24% of them trucks, projected to reach 631 by 2044. The structure is 203 ft (61.9 m) long and 27 ft wide. If it were closed, the detour would be 28 mi (45 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 | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
| Superstructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, 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 Mo 99 S over Spring CR built?
It was built in 1934, making it 91 years old in 2025.
What condition is Mo 99 S over Spring 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 Mo 99 S over Spring CR carry?
About 451 vehicles per day (2024 count), of which roughly 24% are trucks.
How long is Mo 99 S over Spring CR?
The structure is 203 ft (61.9 m) long with a longest span of 53 ft (16.1 m) and a deck 27 ft wide.
Who owns Mo 99 S over Spring CR?
It is owned by the State Highway Agency.