TR-21 over Maple Creek
GoodCrawford County, Illinois · 2.5 MI NW Annapolis · Structure no. 017342100000000
- Built
- 1992
- 33 years old
- Condition
- Good
- inspected April 2022
- Type
- Slab
- Concrete Continuous
- Length
- 68 ft
- 3 main spans
- Daily traffic
- 50
- 2020 count
- Owner
- Town / Township
- Town or Township Highway Agency
About this bridge
TR-21 over Maple Creek is a concrete continuous slab carrying TR-21 over Maple Creek in Crawford County, Illinois. It was built in 1992, so it is 33 years old, younger 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
It carries about 50 vehicles a day, roughly 12% of them trucks, projected to reach 51 by 2046. The structure is 68 ft (20.6 m) long and 26 ft wide. If it were closed, the detour would be 9.9 mi (16 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 | 8 Very Good | No problems noted. |
| Superstructure | 8 Very Good | No problems noted. |
| Substructure | 8 Very Good | No problems noted. |
| Channel and channel protection | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was TR-21 over Maple Creek built?
It was built in 1992, making it 33 years old in 2025.
What condition is TR-21 over Maple Creek 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 April 2022.
How much traffic does TR-21 over Maple Creek carry?
About 50 vehicles per day (2020 count), of which roughly 12% are trucks.
How long is TR-21 over Maple Creek?
The structure is 68 ft (20.6 m) long with a longest span of 24 ft (7.3 m) and a deck 26 ft wide.
Who owns TR-21 over Maple Creek?
It is owned by the Town or Township Highway Agency.