Ill 78 over N Branch Sand Creek
FairCarroll County, Illinois · 0.1 MI N Argo Fay RD · Structure no. 008003900000000
- Built
- 1989
- 36 years old
- Condition
- Fair
- inspected August 2021
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 59 ft
- 1 main span
- Daily traffic
- 1,550
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
Ill 78 over N Branch Sand Creek is a prestressed concrete stringer/multi-beam or girder carrying Ill 78 over N Branch Sand Creek in Carroll County, Illinois. It was built in 1989, so it is 36 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 1,550 vehicles a day, roughly 17% of them trucks, projected to reach 1,717 by 2046. The structure is 59 ft (18 m) long and 35 ft wide. If it were closed, the detour would be 16.2 mi (26 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 | 8 Very Good | No problems noted. |
| Substructure | 7 Good | Some minor problems. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Ill 78 over N Branch Sand Creek built?
It was built in 1989, making it 36 years old in 2025.
What condition is Ill 78 over N Branch Sand 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 August 2021.
How much traffic does Ill 78 over N Branch Sand Creek carry?
About 1,550 vehicles per day (2023 count), of which roughly 17% are trucks.
How long is Ill 78 over N Branch Sand Creek?
The structure is 59 ft (18 m) long with a longest span of 56 ft (17.2 m) and a deck 35 ft wide.
Who owns Ill 78 over N Branch Sand Creek?
It is owned by the State Highway Agency.