Scott Road over Big Rock Creek
FairDeKalb County, Illinois · 1000N 1715E · Structure no. 019542300000000
- Built
- 1980
- 45 years old
- Condition
- Fair
- inspected April 2023
- Type
- Box Beam or Girders - Multiple
- Prestressed Concrete
- Length
- 52 ft
- 1 main span
- Daily traffic
- 125
- 2021 count
- Owner
- Town / Township
- Town or Township Highway Agency
About this bridge
Scott Road over Big Rock Creek is a prestressed concrete box beam or girders - multiple carrying Scott Road over Big Rock Creek in DeKalb County, Illinois. It was built in 1980, so it is 45 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 5 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 125 vehicles a day, roughly 17% of them trucks, projected to reach 140 by 2046. The structure is 52 ft (15.8 m) long and 28 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 | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Superstructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| 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 Scott Road over Big Rock Creek built?
It was built in 1980, making it 45 years old in 2025.
What condition is Scott Road over Big Rock 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 2023.
How much traffic does Scott Road over Big Rock Creek carry?
About 125 vehicles per day (2021 count), of which roughly 17% are trucks.
How long is Scott Road over Big Rock Creek?
The structure is 52 ft (15.8 m) long with a longest span of 48 ft (14.6 m) and a deck 28 ft wide.
Who owns Scott Road over Big Rock Creek?
It is owned by the Town or Township Highway Agency.