Marilynn ST over Cates Br
PoorPosted for loadClay County, Missouri · S 20 T 51 N R 31 W · Structure no. 20113
- Built
- 1960
- 65 years old
- Condition
- Poor
- inspected December 2023
- Type
- Channel Beam
- Concrete
- Length
- 23 ft
- 1 main span
- Daily traffic
- 250
- 2024 count
- Owner
- City
- City or Municipal Highway Agency
About this bridge
Marilynn ST over Cates Br is a concrete channel beam carrying Marilynn ST over Cates Br in Clay County, Missouri. It was built in 1960, so it is 65 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 250 vehicles a day, roughly 10% of them trucks, projected to reach 400 by 2044. The structure is 23 ft (7 m) long and 29 ft wide. If it were closed, the detour would be 0.6 mi (1 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 | 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 | 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 Marilynn ST over Cates Br built?
It was built in 1960, making it 65 years old in 2025.
What condition is Marilynn ST over Cates Br 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 December 2023.
How much traffic does Marilynn ST over Cates Br carry?
About 250 vehicles per day (2024 count), of which roughly 10% are trucks.
How long is Marilynn ST over Cates Br?
The structure is 23 ft (7 m) long with a longest span of 22 ft (6.7 m) and a deck 29 ft wide.
Who owns Marilynn ST over Cates Br?
It is owned by the City or Municipal Highway Agency.