Bus 13 over Blackwater Rvr
FairJohnson County, Missouri · S 1 T 46 N R 26 W · Structure no. 35161
- Built
- 1971
- 54 years old
- Condition
- Fair
- inspected November 2024
- Type
- Stringer/Multi-beam or Girder
- Steel Continuous
- Length
- 373 ft
- 3 main spans
- Daily traffic
- 100
- 2023 count
- Owner
- County
- County Highway Agency
About this bridge
Bus 13 over Blackwater Rvr is a steel continuous stringer/multi-beam or girder carrying Bus 13 over Blackwater Rvr in Johnson County, Missouri. It was built in 1971, so it is 54 years old, older 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 100 vehicles a day, roughly 10% of them trucks, projected to reach 160 by 2043. The structure is 373 ft (113.7 m) long and 46 ft wide. If it were closed, the detour would be 34.2 mi (55 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 | 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 Bus 13 over Blackwater Rvr built?
It was built in 1971, making it 54 years old in 2025.
What condition is Bus 13 over Blackwater Rvr 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 November 2024.
How much traffic does Bus 13 over Blackwater Rvr carry?
About 100 vehicles per day (2023 count), of which roughly 10% are trucks.
How long is Bus 13 over Blackwater Rvr?
The structure is 373 ft (113.7 m) long with a longest span of 105 ft (32 m) and a deck 46 ft wide.
Who owns Bus 13 over Blackwater Rvr?
It is owned by the County Highway Agency.