Ill 14 over Big Muddy River
FairFranklin County, Illinois · 1.8 MI E Buckner · Structure no. 028002000000000
- Built
- 1923
- 102 years old, rebuilt 1970
- Condition
- Fair
- inspected July 2024
- Type
- Stringer/Multi-beam or Girder
- Steel Continuous
- Length
- 351 ft
- 4 main spans
- Daily traffic
- 6,750
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
Ill 14 over Big Muddy River is a steel continuous stringer/multi-beam or girder carrying Ill 14 over Big Muddy River in Franklin County, Illinois. It was built in 1923 and reconstructed in 1970, so it is 102 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 6,750 vehicles a day, roughly 13% of them trucks, projected to reach 6,414 by 2046. The structure is 351 ft (106.9 m) long and 46 ft wide. If it were closed, the detour would be 21.7 mi (35 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 | 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 Ill 14 over Big Muddy River built?
It was built in 1923, making it 102 years old in 2025. It was reconstructed in 1970.
What condition is Ill 14 over Big Muddy River 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 July 2024.
How much traffic does Ill 14 over Big Muddy River carry?
About 6,750 vehicles per day (2023 count), of which roughly 13% are trucks.
How long is Ill 14 over Big Muddy River?
The structure is 351 ft (106.9 m) long with a longest span of 97 ft (29.6 m) and a deck 46 ft wide.
Who owns Ill 14 over Big Muddy River?
It is owned by the State Highway Agency.