County RD 450 over Alder CR Br
FairPosted for loadCedar County, Missouri · S 5 T 35 N R 27 W · Structure no. 14691
- Built
- 1960
- 65 years old, rebuilt 1981
- Condition
- Fair
- inspected December 2024
- Type
- Stringer/Multi-beam or Girder
- Steel
- Length
- 30 ft
- 1 main span
- Daily traffic
- 50
- 2023 count
- Owner
- County
- County Highway Agency
About this bridge
County RD 450 over Alder CR Br is a steel stringer/multi-beam or girder carrying County RD 450 over Alder CR Br in Cedar County, Missouri. It was built in 1960 and reconstructed in 1981, 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 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. Its operating status is: posted for load restriction.
It carries about 50 vehicles a day, roughly 10% of them trucks, projected to reach 63 by 2043. The structure is 30 ft (9.1 m) long and 15 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 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
| 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 County RD 450 over Alder CR Br built?
It was built in 1960, making it 65 years old in 2025. It was reconstructed in 1981.
What condition is County RD 450 over Alder CR Br 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 County RD 450 over Alder CR Br carry?
About 50 vehicles per day (2023 count), of which roughly 10% are trucks.
How long is County RD 450 over Alder CR Br?
The structure is 30 ft (9.1 m) long with a longest span of 29 ft (8.8 m) and a deck 15 ft wide.
Who owns County RD 450 over Alder CR Br?
It is owned by the County Highway Agency.