Infantry Pass over Marmaton Rvr
PoorPosted for loadVernon County, Missouri · S 9 T 36 N R 31 W · Structure no. 19673
- Built
- 1925
- 100 years old
- Condition
- Poor
- inspected January 2024
- Type
- Truss - Thru
- Steel
- Length
- 395 ft
- 1 main span
- Daily traffic
- 100
- 2024 count
- Owner
- County
- County Highway Agency
About this bridge
Infantry Pass over Marmaton Rvr is a steel truss - thru carrying Infantry Pass over Marmaton Rvr in Vernon County, Missouri. It was built in 1925, so it is 100 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 100 vehicles a day, roughly 20% of them trucks, projected to reach 130 by 2044. The structure is 395 ft (120.4 m) long and 21 ft wide. If it were closed, the detour would be 6.2 mi (10 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
| 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Infantry Pass over Marmaton Rvr built?
It was built in 1925, making it 100 years old in 2025.
What condition is Infantry Pass over Marmaton 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 January 2024.
How much traffic does Infantry Pass over Marmaton Rvr carry?
About 100 vehicles per day (2024 count), of which roughly 20% are trucks.
How long is Infantry Pass over Marmaton Rvr?
The structure is 395 ft (120.4 m) long with a longest span of 140 ft (42.7 m) and a deck 21 ft wide.
Who owns Infantry Pass over Marmaton Rvr?
It is owned by the County Highway Agency.