US Bridges

CR 600S over Flatrock River

Good

Henry County, Indiana · 00.50 W of SR 103 · Structure no. 3300139

Built
1993
32 years old
Condition
Good
inspected August 2023
Type
Slab
Concrete Continuous
Length
103 ft
3 main spans
Daily traffic
100
2019 count
Owner
County
County Highway Agency

About this bridge

CR 600S over Flatrock River is a concrete continuous slab carrying CR 600S over Flatrock River in Henry County, Indiana. It was built in 1993, so it is 32 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 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 100 vehicles a day, roughly 5% of them trucks, projected to reach 175 by 2039. The structure is 103 ft (31.3 m) long and 27 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesCR 600S
CrossesFlatrock River
Location00.50 W of SR 103
RouteCounty Highway 16
StateIndiana
Coordinates39.84551, -85.36248
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating100 US tons
Inventory rating56.5 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length103 ft (31.3 m)
Longest span39 ft (11.8 m)
Deck width27 ft (8.2 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (2019)
Projected traffic175 by 2039
Trucks5%
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 600S over Flatrock River built?

It was built in 1993, making it 32 years old in 2025.

What condition is CR 600S 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 August 2023.

How much traffic does CR 600S over Flatrock River carry?

About 100 vehicles per day (2019 count), of which roughly 5% are trucks.

How long is CR 600S over Flatrock River?

The structure is 103 ft (31.3 m) long with a longest span of 39 ft (11.8 m) and a deck 27 ft wide.

Who owns CR 600S over Flatrock River?

It is owned by the County Highway Agency.