Gage RD over Long Br
PoorPosted for loadLinn County, Missouri · S 2 T 59 N R 20 W · Structure no. 18630
- Built
- 1940
- 85 years old, rebuilt 1988
- Condition
- Poor
- inspected December 2024
- Type
- Stringer/Multi-beam or Girder
- Steel
- Length
- 45 ft
- 2 main spans
- Daily traffic
- 10
- 2024 count
- Owner
- County
- County Highway Agency
About this bridge
Gage RD over Long Br is a steel stringer/multi-beam or girder carrying Gage RD over Long Br in Linn County, Missouri. It was built in 1940 and reconstructed in 1988, so it is 85 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 10 vehicles a day, roughly 10% of them trucks, projected to reach 11 by 2044. The structure is 45 ft (13.7 m) long and 14 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 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
| Substructure | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
| Channel and channel protection | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Gage RD over Long Br built?
It was built in 1940, making it 85 years old in 2025. It was reconstructed in 1988.
What condition is Gage RD over Long 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 2024.
How much traffic does Gage RD over Long Br carry?
About 10 vehicles per day (2024 count), of which roughly 10% are trucks.
How long is Gage RD over Long Br?
The structure is 45 ft (13.7 m) long with a longest span of 24 ft (7.3 m) and a deck 14 ft wide.
Who owns Gage RD over Long Br?
It is owned by the County Highway Agency.