TR 71 over Marrowbone Creek
PoorPosted for loadMoultrie County, Illinois · 1.9 MI NW Bethany · Structure no. 070461300000000
- Built
- 1966
- 59 years old
- Condition
- Poor
- inspected January 2025
- Type
- Box Beam or Girders - Multiple
- Prestressed Concrete
- Length
- 50 ft
- 1 main span
- Daily traffic
- 100
- 2020 count
- Owner
- Town / Township
- Town or Township Highway Agency
About this bridge
TR 71 over Marrowbone Creek is a prestressed concrete box beam or girders - multiple carrying TR 71 over Marrowbone Creek in Moultrie County, Illinois. It was built in 1966, so it is 59 years old, older than the Illinois average of 45.3 years.
The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 3 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.
It carries about 100 vehicles a day, roughly 4% of them trucks, projected to reach 105 by 2046. The structure is 50 ft (15.2 m) long and 29 ft wide. If it were closed, the detour would be 1.2 mi (2 km).
Location
Open in Google MapsCondition and inspection
The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 3 Serious | Loss of section, deterioration, spalling or scour have seriously affected primary structural components. |
| Superstructure | 3 Serious | Loss of section, deterioration, spalling or scour have seriously affected primary structural components. |
| 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 TR 71 over Marrowbone Creek built?
It was built in 1966, making it 59 years old in 2025.
What condition is TR 71 over Marrowbone Creek in?
The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in January 2025.
How much traffic does TR 71 over Marrowbone Creek carry?
About 100 vehicles per day (2020 count), of which roughly 4% are trucks.
How long is TR 71 over Marrowbone Creek?
The structure is 50 ft (15.2 m) long with a longest span of 49 ft (14.9 m) and a deck 29 ft wide.
Who owns TR 71 over Marrowbone Creek?
It is owned by the Town or Township Highway Agency.