SE 55 over Marais Des Cygnes
FairBates County, Missouri · S 20 T 39 N R 31 W · Structure no. 34320
- Built
- 2012
- 13 years old
- Condition
- Fair
- inspected December 2024
- Type
- Slab
- Concrete Continuous
- Length
- 144 ft
- 3 main spans
- Daily traffic
- 20
- 2023 count
- Owner
- County
- County Highway Agency
About this bridge
SE 55 over Marais Des Cygnes is a concrete continuous slab carrying SE 55 over Marais Des Cygnes in Bates County, Missouri. It was built in 2012, so it is 13 years old, younger than the Missouri average of 45.1 years.
The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
It carries about 20 vehicles a day, roughly 10% of them trucks, projected to reach 26 by 2043. The structure is 144 ft (43.9 m) long and 27 ft wide. If it were closed, the detour would be 1.2 mi (2 km).
Location
Open in Google MapsCondition and inspection
The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Superstructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Substructure | 7 Good | Some minor problems. |
| Channel and channel protection | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was SE 55 over Marais Des Cygnes built?
It was built in 2012, making it 13 years old in 2025.
What condition is SE 55 over Marais Des Cygnes in?
The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in December 2024.
How much traffic does SE 55 over Marais Des Cygnes carry?
About 20 vehicles per day (2023 count), of which roughly 10% are trucks.
How long is SE 55 over Marais Des Cygnes?
The structure is 144 ft (43.9 m) long with a longest span of 48 ft (14.6 m) and a deck 27 ft wide.
Who owns SE 55 over Marais Des Cygnes?
It is owned by the County Highway Agency.