US Bridges

Mount Liberty Road over Mount Liberty Creek

Good

Brown County, Indiana · 00.10 S 4 Mile RD · Structure no. 0700071

Built
1929
96 years old, rebuilt 2010
Condition
Good
inspected August 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
22 ft
1 main span
Daily traffic
150
2021 count
Owner
County
County Highway Agency

About this bridge

Mount Liberty Road over Mount Liberty Creek is a prestressed concrete box beam or girders - multiple carrying Mount Liberty Road over Mount Liberty Creek in Brown County, Indiana. It was built in 1929 and reconstructed in 2010, so it is 96 years old, older than the Indiana average of 46.6 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 150 vehicles a day, projected to reach 225 by 2041. The structure is 22 ft (6.8 m) long and 20 ft wide. If it were closed, the detour would be 2.5 mi (4 km).

Location

Open in Google Maps
CarriesMount Liberty Road
CrossesMount Liberty Creek
Location00.10 S 4 Mile RD
RouteCounty Highway 0
CountyBrown County
StateIndiana
Coordinates39.18208, -86.1309
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation7: Better than present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating64.3 US tons
Inventory rating40 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHL 93
Structure length22 ft (6.8 m)
Longest span21 ft (6.4 m)
Deck width20 ft (6 m)
Roadway width20 ft (6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic150 (2021)
Projected traffic225 by 2041
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed2.5 mi (4 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Mount Liberty Road over Mount Liberty Creek built?

It was built in 1929, making it 96 years old in 2025. It was reconstructed in 2010.

What condition is Mount Liberty Road over Mount Liberty Creek in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in August 2024.

How much traffic does Mount Liberty Road over Mount Liberty Creek carry?

About 150 vehicles per day (2021 count).

How long is Mount Liberty Road over Mount Liberty Creek?

The structure is 22 ft (6.8 m) long with a longest span of 21 ft (6.4 m) and a deck 20 ft wide.

Who owns Mount Liberty Road over Mount Liberty Creek?

It is owned by the County Highway Agency.