TR-59 (mermet Road over Sielbeck Ditch
PoorMassac County, Illinois · 6.3MI NW Metropolis · Structure no. 064314900000000
- Built
- 2018
- 7 years old
- Condition
- Poor
- inspected March 2024
- Type
- Box Beam or Girders - Multiple
- Prestressed Concrete
- Length
- 49 ft
- 1 main span
- Daily traffic
- 175
- 2020 count
- Owner
- Town / Township
- Town or Township Highway Agency
About this bridge
TR-59 (mermet Road over Sielbeck Ditch is a prestressed concrete box beam or girders - multiple carrying TR-59 (mermet Road over Sielbeck Ditch in Massac County, Illinois. It was built in 2018, so it is 7 years old, younger than the Illinois average of 45.3 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.
It carries about 175 vehicles a day, roughly 25% of them trucks, projected to reach 177 by 2046. The structure is 49 ft (14.9 m) long and 27 ft wide. If it were closed, the detour would be 1.2 mi (2 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 | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
| Superstructure | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
| 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-59 (mermet Road over Sielbeck Ditch built?
It was built in 2018, making it 7 years old in 2025.
What condition is TR-59 (mermet Road over Sielbeck Ditch 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 March 2024.
How much traffic does TR-59 (mermet Road over Sielbeck Ditch carry?
About 175 vehicles per day (2020 count), of which roughly 25% are trucks.
How long is TR-59 (mermet Road over Sielbeck Ditch?
The structure is 49 ft (14.9 m) long with a longest span of 47 ft (14.2 m) and a deck 27 ft wide.
Who owns TR-59 (mermet Road over Sielbeck Ditch?
It is owned by the Town or Township Highway Agency.