TR 45 over Rocky Branch
GoodHamilton County, Illinois · 2.25 MI NW Dalgren · Structure no. 033327500000000
- Built
- 1999
- 26 years old
- Condition
- Good
- inspected March 2021
- Type
- Box Beam or Girders - Multiple
- Prestressed Concrete
- Length
- 76 ft
- 3 main spans
- Daily traffic
- 75
- 2022 count
- Owner
- Town / Township
- Town or Township Highway Agency
About this bridge
TR 45 over Rocky Branch is a prestressed concrete box beam or girders - multiple carrying TR 45 over Rocky Branch in Hamilton County, Illinois. It was built in 1999, so it is 26 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 75 vehicles a day, roughly 13% of them trucks, projected to reach 76 by 2046. The structure is 76 ft (23.3 m) long and 24 ft wide. If it were closed, the detour would be 6.2 mi (10 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 45 over Rocky Branch built?
It was built in 1999, making it 26 years old in 2025.
What condition is TR 45 over Rocky Branch 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 March 2021.
How much traffic does TR 45 over Rocky Branch carry?
About 75 vehicles per day (2022 count), of which roughly 13% are trucks.
How long is TR 45 over Rocky Branch?
The structure is 76 ft (23.3 m) long with a longest span of 25 ft (7.6 m) and a deck 24 ft wide.
Who owns TR 45 over Rocky Branch?
It is owned by the Town or Township Highway Agency.