Ill 18 over Norfolk & Southern RR
FairLivingston County, Illinois · 0.58 M N of Ill 17 · Structure no. 053006100000000
- Built
- 1926
- 99 years old, rebuilt 2006
- Condition
- Fair
- inspected March 2023
- Type
- Box Beam or Girders - Multiple
- Prestressed Concrete
- Length
- 126 ft
- 3 main spans
- Daily traffic
- 1,250
- 2021 count
- Owner
- State
- State Highway Agency
About this bridge
Ill 18 over Norfolk & Southern RR is a prestressed concrete box beam or girders - multiple carrying Ill 18 over Norfolk & Southern RR in Livingston County, Illinois. It was built in 1926 and reconstructed in 2006, so it is 99 years old, older 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 1,250 vehicles a day, roughly 17% of them trucks, projected to reach 1,263 by 2046. The structure is 126 ft (38.3 m) long and 36 ft wide. If it were closed, the detour would be 1.9 mi (3 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
| Substructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Ill 18 over Norfolk & Southern RR built?
It was built in 1926, making it 99 years old in 2025. It was reconstructed in 2006.
What condition is Ill 18 over Norfolk & Southern RR 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 March 2023.
How much traffic does Ill 18 over Norfolk & Southern RR carry?
About 1,250 vehicles per day (2021 count), of which roughly 17% are trucks.
How long is Ill 18 over Norfolk & Southern RR?
The structure is 126 ft (38.3 m) long with a longest span of 44 ft (13.3 m) and a deck 36 ft wide.
Who owns Ill 18 over Norfolk & Southern RR?
It is owned by the State Highway Agency.