Mount Liberty Road over Gnawbone Creek
PoorPosted for loadBrown County, Indiana · 00.10 S SR 46 · Structure no. 0700044
- Built
- 1940
- 85 years old
- Condition
- Poor
- inspected October 2024
- Type
- Stringer/Multi-beam or Girder
- Steel
- Length
- 40 ft
- 1 main span
- Daily traffic
- 275
- 2024 count
- Owner
- County
- County Highway Agency
About this bridge
Mount Liberty Road over Gnawbone Creek is a steel stringer/multi-beam or girder carrying Mount Liberty Road over Gnawbone Creek in Brown County, Indiana. It was built in 1940, so it is 85 years old, older than the Indiana average of 46.6 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 275 vehicles a day, roughly 6% of them trucks, projected to reach 400 by 2044. The structure is 40 ft (12.1 m) long and 20 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 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 | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Superstructure | 3 Serious | Loss of section, deterioration, spalling or scour have seriously affected primary structural components. |
| Substructure | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
| Channel and channel protection | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Mount Liberty Road over Gnawbone Creek built?
It was built in 1940, making it 85 years old in 2025.
What condition is Mount Liberty Road over Gnawbone 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 October 2024.
How much traffic does Mount Liberty Road over Gnawbone Creek carry?
About 275 vehicles per day (2024 count), of which roughly 6% are trucks.
How long is Mount Liberty Road over Gnawbone Creek?
The structure is 40 ft (12.1 m) long with a longest span of 38 ft (11.6 m) and a deck 20 ft wide.
Who owns Mount Liberty Road over Gnawbone Creek?
It is owned by the County Highway Agency.