TR 437 over Mill Creek
FairAdams County, Illinois · 3.1 MI SE Quincy · Structure no. 001329400000000
- Built
- 1984
- 41 years old
- Condition
- Fair
- inspected April 2024
- Type
- Box Beam or Girders - Multiple
- Prestressed Concrete
- Length
- 125 ft
- 3 main spans
- Daily traffic
- 100
- 2024 count
- Owner
- Town / Township
- Town or Township Highway Agency
About this bridge
TR 437 over Mill Creek is a prestressed concrete box beam or girders - multiple carrying TR 437 over Mill Creek in Adams County, Illinois. It was built in 1984, so it is 41 years old, younger than the Illinois average of 45.3 years.
The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
It carries about 100 vehicles a day, projected to reach 101 by 2046. The structure is 125 ft (38.1 m) long and 24 ft wide. If it were closed, the detour would be 3.1 mi (5 km).
Location
Open in Google MapsCondition and inspection
The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 6 Satisfactory | Structural elements show some minor deterioration. |
| Superstructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Substructure | 7 Good | Some minor problems. |
| Channel and channel protection | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was TR 437 over Mill Creek built?
It was built in 1984, making it 41 years old in 2025.
What condition is TR 437 over Mill Creek in?
The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in April 2024.
How much traffic does TR 437 over Mill Creek carry?
About 100 vehicles per day (2024 count).
How long is TR 437 over Mill Creek?
The structure is 125 ft (38.1 m) long with a longest span of 60 ft (18.3 m) and a deck 24 ft wide.
Who owns TR 437 over Mill Creek?
It is owned by the Town or Township Highway Agency.