US Bridges

CR 500E over Flatrock River

Fair

Henry County, Indiana · 00.80 N of SR 38 · Structure no. 3300090

Built
1959
66 years old
Condition
Fair
inspected August 2023
Type
Slab
Concrete Continuous
Length
92 ft
3 main spans
Daily traffic
262
2021 count
Owner
County
County Highway Agency

About this bridge

CR 500E over Flatrock River is a concrete continuous slab carrying CR 500E over Flatrock River in Henry County, Indiana. It was built in 1959, so it is 66 years old, older than the Indiana average of 46.6 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 262 vehicles a day, roughly 8% of them trucks, projected to reach 419 by 2041. The structure is 92 ft (28 m) long and 29 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesCR 500E
CrossesFlatrock River
Location00.80 N of SR 38
RouteCounty Highway 71
StateIndiana
Coordinates39.93, -85.2901
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating42.5 US tons
Inventory rating32.8 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length92 ft (28 m)
Longest span36 ft (10.9 m)
Deck width29 ft (8.7 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic262 (2021)
Projected traffic419 by 2041
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 CR 500E over Flatrock River built?

It was built in 1959, making it 66 years old in 2025.

What condition is CR 500E over Flatrock River 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 August 2023.

How much traffic does CR 500E over Flatrock River carry?

About 262 vehicles per day (2021 count), of which roughly 8% are trucks.

How long is CR 500E over Flatrock River?

The structure is 92 ft (28 m) long with a longest span of 36 ft (10.9 m) and a deck 29 ft wide.

Who owns CR 500E over Flatrock River?

It is owned by the County Highway Agency.