US 40 E over Mc Gill Br
FairBoone County, Missouri · S 1 T 48 N R 15 W · Structure no. 4688
- Built
- 1924
- 101 years old, rebuilt 1947
- Condition
- Fair
- inspected September 2023
- Type
- Culvert
- Concrete Continuous
- Length
- 25 ft
- 2 main spans
- Daily traffic
- 4,397
- 2024 count
- Owner
- State
- State Highway Agency
About this bridge
US 40 E over Mc Gill Br is a concrete continuous culvert carrying US 40 E over Mc Gill Br in Boone County, Missouri. It was built in 1924 and reconstructed in 1947, so it is 101 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 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
It carries about 4,397 vehicles a day, roughly 7% of them trucks, projected to reach 8,134 by 2044. The structure is 25 ft (7.6 m) long. If it were closed, the detour would be 11.2 mi (18 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 |
|---|---|---|
| Channel and channel protection | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Culvert | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was US 40 E over Mc Gill Br built?
It was built in 1924, making it 101 years old in 2025. It was reconstructed in 1947.
What condition is US 40 E over Mc Gill 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 September 2023.
How much traffic does US 40 E over Mc Gill Br carry?
About 4,397 vehicles per day (2024 count), of which roughly 7% are trucks.
How long is US 40 E over Mc Gill Br?
The structure is 25 ft (7.6 m) long with a longest span of 12 ft (3.7 m).
Who owns US 40 E over Mc Gill Br?
It is owned by the State Highway Agency.