Il 149 over Little Muddy River
FairJackson County, Illinois · 2 MI E of Desoto · Structure no. 039005700000000
- Built
- 1986
- 39 years old
- Condition
- Fair
- inspected March 2023
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete Continuous
- Length
- 228 ft
- 3 main spans
- Daily traffic
- 3,000
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
Il 149 over Little Muddy River is a prestressed concrete continuous stringer/multi-beam or girder carrying Il 149 over Little Muddy River in Jackson County, Illinois. It was built in 1986, so it is 39 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 3,000 vehicles a day, roughly 7% of them trucks, projected to reach 3,030 by 2046. The structure is 228 ft (69.6 m) long and 35 ft wide. If it were closed, the detour would be 23 mi (37 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 Il 149 over Little Muddy River built?
It was built in 1986, making it 39 years old in 2025.
What condition is Il 149 over Little 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 March 2023.
How much traffic does Il 149 over Little Muddy River carry?
About 3,000 vehicles per day (2023 count), of which roughly 7% are trucks.
How long is Il 149 over Little Muddy River?
The structure is 228 ft (69.6 m) long with a longest span of 76 ft (23.1 m) and a deck 35 ft wide.
Who owns Il 149 over Little Muddy River?
It is owned by the State Highway Agency.