Memar RD over Callahan CR
GoodBoone County, Missouri · S 1 T 49 N R 14 W · Structure no. 14729
- Built
- 1981
- 44 years old
- Condition
- Good
- inspected December 2024
- Type
- Tee Beam
- Prestressed Concrete
- Length
- 91 ft
- 2 main spans
- Daily traffic
- 20
- 2023 count
- Owner
- County
- County Highway Agency
About this bridge
Memar RD over Callahan CR is a prestressed concrete tee beam carrying Memar RD over Callahan CR in Boone County, Missouri. It was built in 1981, so it is 44 years old, younger than the Missouri average of 45.1 years.
The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
It carries about 20 vehicles a day, roughly 10% of them trucks, projected to reach 38 by 2043. The structure is 91 ft (27.7 m) long and 23 ft wide. If it were closed, the detour would be 1.9 mi (3 km).
Location
Open in Google MapsCondition and inspection
All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 7 Good | Some minor problems. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 7 Good | Some minor problems. |
| 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 Memar RD over Callahan CR built?
It was built in 1981, making it 44 years old in 2025.
What condition is Memar RD over Callahan CR in?
The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in December 2024.
How much traffic does Memar RD over Callahan CR carry?
About 20 vehicles per day (2023 count), of which roughly 10% are trucks.
How long is Memar RD over Callahan CR?
The structure is 91 ft (27.7 m) long with a longest span of 45 ft (13.7 m) and a deck 23 ft wide.
Who owns Memar RD over Callahan CR?
It is owned by the County Highway Agency.