Mo 129 S over N Spring CR
PoorPosted for loadSullivan County, Missouri · S 4 T 64 N R 18 W · Structure no. 9924
- Built
- 1950
- 75 years old
- Condition
- Poor
- inspected August 2023
- Type
- Stringer/Multi-beam or Girder
- Steel
- Length
- 93 ft
- 3 main spans
- Daily traffic
- 78
- 2024 count
- Owner
- State
- State Highway Agency
About this bridge
Mo 129 S over N Spring CR is a steel stringer/multi-beam or girder carrying Mo 129 S over N Spring CR in Sullivan County, Missouri. It was built in 1950, so it is 75 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. Its operating status is: posted for load restriction.
It carries about 78 vehicles a day, roughly 14% of them trucks, projected to reach 98 by 2044. The structure is 93 ft (28.3 m) long and 16 ft wide. If it were closed, the detour would be 31.7 mi (51 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 | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, 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 Mo 129 S over N Spring CR built?
It was built in 1950, making it 75 years old in 2025.
What condition is Mo 129 S over N 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 August 2023.
How much traffic does Mo 129 S over N Spring CR carry?
About 78 vehicles per day (2024 count), of which roughly 14% are trucks.
How long is Mo 129 S over N Spring CR?
The structure is 93 ft (28.3 m) long with a longest span of 37 ft (11.3 m) and a deck 16 ft wide.
Who owns Mo 129 S over N Spring CR?
It is owned by the State Highway Agency.