TR-304 over Little Salt Creek
PoorPosted for loadEffingham County, Illinois · 3 MI NW Dieterich · Structure no. 025313800000000
- Built
- 1909
- 116 years old
- Condition
- Poor
- inspected November 2024
- Type
- Truss - Thru
- Steel
- Length
- 50 ft
- 1 main span
- Daily traffic
- 50
- 2023 count
- Owner
- Town / Township
- Town or Township Highway Agency
About this bridge
TR-304 over Little Salt Creek is a steel truss - thru carrying TR-304 over Little Salt Creek in Effingham County, Illinois. It was built in 1909, so it is 116 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 3 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 50 vehicles a day, roughly 6% of them trucks, projected to reach 27 by 2046. The structure is 50 ft (15.2 m) long and 14 ft wide. If it were closed, the detour would be 98.8 mi (159 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 | 7 Good | Some minor problems. |
| Superstructure | 3 Serious | Loss of section, deterioration, spalling or scour have seriously affected primary structural components. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Channel and channel protection | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was TR-304 over Little Salt Creek built?
It was built in 1909, making it 116 years old in 2025.
What condition is TR-304 over Little Salt 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 November 2024.
How much traffic does TR-304 over Little Salt Creek carry?
About 50 vehicles per day (2023 count), of which roughly 6% are trucks.
How long is TR-304 over Little Salt Creek?
The structure is 50 ft (15.2 m) long with a longest span of 50 ft (15.2 m) and a deck 14 ft wide.
Who owns TR-304 over Little Salt Creek?
It is owned by the Town or Township Highway Agency.