N Seminary /Fau 89 over Black Creek
PoorMadison County, Illinois · 0.25 N Beltline · Structure no. 060610200000000
- Built
- 1966
- 59 years old, rebuilt 1991
- Condition
- Poor
- inspected January 2024
- Type
- Channel Beam
- Concrete
- Length
- 77 ft
- 3 main spans
- Daily traffic
- 5,100
- 2024 count
- Owner
- City
- City or Municipal Highway Agency
About this bridge
N Seminary /Fau 89 over Black Creek is a concrete channel beam carrying N Seminary /Fau 89 over Black Creek in Madison County, Illinois. It was built in 1966 and reconstructed in 1991, so it is 59 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.
It carries about 5,100 vehicles a day, roughly 4% of them trucks, projected to reach 4,922 by 2046. The structure is 77 ft (23.6 m) long and 39 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 | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| 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 | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was N Seminary /Fau 89 over Black Creek built?
It was built in 1966, making it 59 years old in 2025. It was reconstructed in 1991.
What condition is N Seminary /Fau 89 over Black 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 January 2024.
How much traffic does N Seminary /Fau 89 over Black Creek carry?
About 5,100 vehicles per day (2024 count), of which roughly 4% are trucks.
How long is N Seminary /Fau 89 over Black Creek?
The structure is 77 ft (23.6 m) long with a longest span of 27 ft (8.3 m) and a deck 39 ft wide.
Who owns N Seminary /Fau 89 over Black Creek?
It is owned by the City or Municipal Highway Agency.