CO RD NE 1150 over Flagstaff CR
PoorJohnson County, Missouri · S 25 T 48 N R 26 W · Structure no. 16475
- Built
- 1900
- 125 years old
- Condition
- Poor
- inspected November 2024
- Type
- Stringer/Multi-beam or Girder
- Steel
- Length
- 23 ft
- 1 main span
- Daily traffic
- 65
- 2023 count
- Owner
- County
- County Highway Agency
About this bridge
CO RD NE 1150 over Flagstaff CR is a steel stringer/multi-beam or girder carrying CO RD NE 1150 over Flagstaff CR in Johnson County, Missouri. It was built in 1900, so it is 125 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 65 vehicles a day, roughly 10% of them trucks, projected to reach 104 by 2043. The structure is 23 ft (7 m) long and 20 ft wide. If it were closed, the detour would be 3.7 mi (6 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
| Substructure | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
| Channel and channel protection | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was CO RD NE 1150 over Flagstaff CR built?
It was built in 1900, making it 125 years old in 2025.
What condition is CO RD NE 1150 over Flagstaff 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 November 2024.
How much traffic does CO RD NE 1150 over Flagstaff CR carry?
About 65 vehicles per day (2023 count), of which roughly 10% are trucks.
How long is CO RD NE 1150 over Flagstaff CR?
The structure is 23 ft (7 m) long with a longest span of 23 ft (7 m) and a deck 20 ft wide.
Who owns CO RD NE 1150 over Flagstaff CR?
It is owned by the County Highway Agency.