TR 4A over Bay Creek
PoorPosted for loadCalhoun County, Illinois · 0.75M W Belleview · Structure no. 007303200000000
- Built
- 1930
- 95 years old
- Condition
- Poor
- inspected March 2024
- Type
- Stringer/Multi-beam or Girder
- Steel
- Length
- 28 ft
- 1 main span
- Daily traffic
- 25
- 2022 count
- Owner
- Town / Township
- Town or Township Highway Agency
About this bridge
TR 4A over Bay Creek is a steel stringer/multi-beam or girder carrying TR 4A over Bay Creek in Calhoun County, Illinois. It was built in 1930, so it is 95 years old, older 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. Its operating status is: posted for load restriction.
It carries about 25 vehicles a day, roughly 20% of them trucks, projected to reach 25 by 2046. The structure is 28 ft (8.4 m) long and 20 ft wide. If it were closed, the detour would be 6.2 mi (10 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 | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
| Channel and channel protection | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was TR 4A over Bay Creek built?
It was built in 1930, making it 95 years old in 2025.
What condition is TR 4A over Bay Creek 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 4A over Bay Creek carry?
About 25 vehicles per day (2022 count), of which roughly 20% are trucks.
How long is TR 4A over Bay Creek?
The structure is 28 ft (8.4 m) long with a longest span of 26 ft (8 m) and a deck 20 ft wide.
Who owns TR 4A over Bay Creek?
It is owned by the Town or Township Highway Agency.