TR 91 over Lake Fork
FairDouglas County, Illinois · 3 MI NE of Arthur · Structure no. 021452800000000
- Built
- 1976
- 49 years old
- Condition
- Fair
- inspected January 2025
- Type
- Box Beam or Girders - Multiple
- Prestressed Concrete
- Length
- 157 ft
- 3 main spans
- Daily traffic
- 200
- 2022 count
- Owner
- Town / Township
- Town or Township Highway Agency
About this bridge
TR 91 over Lake Fork is a prestressed concrete box beam or girders - multiple carrying TR 91 over Lake Fork in Douglas County, Illinois. It was built in 1976, so it is 49 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 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 200 vehicles a day, roughly 8% of them trucks, projected to reach 76 by 2046. The structure is 157 ft (48 m) long and 27 ft wide. If it were closed, the detour would be 3.7 mi (6 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 | 7 Good | Some minor problems. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| 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 TR 91 over Lake Fork built?
It was built in 1976, making it 49 years old in 2025.
What condition is TR 91 over Lake Fork 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 January 2025.
How much traffic does TR 91 over Lake Fork carry?
About 200 vehicles per day (2022 count), of which roughly 8% are trucks.
How long is TR 91 over Lake Fork?
The structure is 157 ft (48 m) long with a longest span of 53 ft (16.1 m) and a deck 27 ft wide.
Who owns TR 91 over Lake Fork?
It is owned by the Town or Township Highway Agency.