TR 99 over Trib Big Muddy
GoodFranklin County, Illinois · TR99 Ov TR B Muddy · Structure no. 028305900000000
- Built
- 1900
- 125 years old, rebuilt 1975
- Condition
- Good
- inspected February 2024
- Type
- Channel Beam
- Concrete
- Length
- 30 ft
- 1 main span
- Daily traffic
- 35
- 2024 count
- Owner
- Town / Township
- Town or Township Highway Agency
About this bridge
TR 99 over Trib Big Muddy is a concrete channel beam carrying TR 99 over Trib Big Muddy in Franklin County, Illinois. It was built in 1900 and reconstructed in 1975, so it is 125 years old, older than the Illinois average of 45.3 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 35 vehicles a day, roughly 51% of them trucks, projected to reach 25 by 2046. The structure is 30 ft (9.1 m) long and 23 ft wide. If it were closed, the detour would be 1.2 mi (2 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 | 8 Very Good | No problems noted. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was TR 99 over Trib Big Muddy built?
It was built in 1900, making it 125 years old in 2025. It was reconstructed in 1975.
What condition is TR 99 over Trib Big Muddy 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 February 2024.
How much traffic does TR 99 over Trib Big Muddy carry?
About 35 vehicles per day (2024 count), of which roughly 51% are trucks.
How long is TR 99 over Trib Big Muddy?
The structure is 30 ft (9.1 m) long with a longest span of 27 ft (8.2 m) and a deck 23 ft wide.
Who owns TR 99 over Trib Big Muddy?
It is owned by the Town or Township Highway Agency.