US Bridges

SR 9 over Flatrock River

Good

Shelby County, Indiana · 08.82 S SR 44 · Structure no. 002411

Built
2013
12 years old
Condition
Good
inspected December 2024
Type
Tee Beam
Prestressed Concrete Continuous
Length
262 ft
2 main spans
Daily traffic
3,791
2021 count
Owner
State
State Highway Agency

About this bridge

SR 9 over Flatrock River is a prestressed concrete continuous tee beam carrying SR 9 over Flatrock River in Shelby County, Indiana. It was built in 2013, so it is 12 years old, younger 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 3,791 vehicles a day, roughly 22% of them trucks, projected to reach 4,000 by 2041. The structure is 262 ft (79.8 m) long and 42 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesSR 9
CrossesFlatrock River
Location08.82 S SR 44
RouteState Highway 9
StateIndiana
Coordinates39.39413, -85.75726
Functional classRural Minor Arterial

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.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations on dry land well above flood water elevations
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating57.1 US tons
Inventory rating32.8 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHL 93
Structure length262 ft (79.8 m)
Longest span130 ft (39.6 m)
Deck width42 ft (12.8 m)
Roadway width39 ft (11.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,791 (2021)
Projected traffic4,000 by 2041
Trucks22%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 SR 9 over Flatrock River built?

It was built in 2013, making it 12 years old in 2025.

What condition is SR 9 over Flatrock River 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 December 2024.

How much traffic does SR 9 over Flatrock River carry?

About 3,791 vehicles per day (2021 count), of which roughly 22% are trucks.

How long is SR 9 over Flatrock River?

The structure is 262 ft (79.8 m) long with a longest span of 130 ft (39.6 m) and a deck 42 ft wide.

Who owns SR 9 over Flatrock River?

It is owned by the State Highway Agency.