CO RD NE 521 over Mulkey CR
PoorPosted for loadJohnson County, Missouri · S 26 T 48 N R 25 W · Structure no. 16817
- Built
- 1988
- 37 years old
- Condition
- Poor
- inspected November 2024
- Type
- Stringer/Multi-beam or Girder
- Steel
- Length
- 97 ft
- 3 main spans
- Daily traffic
- 60
- 2023 count
- Owner
- County
- County Highway Agency
About this bridge
CO RD NE 521 over Mulkey CR is a steel stringer/multi-beam or girder carrying CO RD NE 521 over Mulkey CR in Johnson County, Missouri. It was built in 1988, so it is 37 years old, younger 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 60 vehicles a day, roughly 10% of them trucks, projected to reach 96 by 2043. The structure is 97 ft (29.6 m) long and 23 ft wide. If it were closed, the detour would be 3.1 mi (5 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 | 7 Good | Some minor problems. |
| Superstructure | 7 Good | Some minor problems. |
| 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 521 over Mulkey CR built?
It was built in 1988, making it 37 years old in 2025.
What condition is CO RD NE 521 over Mulkey 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 521 over Mulkey CR carry?
About 60 vehicles per day (2023 count), of which roughly 10% are trucks.
How long is CO RD NE 521 over Mulkey CR?
The structure is 97 ft (29.6 m) long with a longest span of 45 ft (13.7 m) and a deck 23 ft wide.
Who owns CO RD NE 521 over Mulkey CR?
It is owned by the County Highway Agency.