US Bridges

CR 600E over Flatrock River

FairPosted for load

Henry County, Indiana · 00.10 N of CR 200 N · Structure no. 3300056

Built
1981
44 years old
Condition
Fair
inspected August 2023
Type
Culvert
Aluminum, Wrought Iron, or Cast Iron
Length
38 ft
2 main spans
Daily traffic
129
2021 count
Owner
County
County Highway Agency

About this bridge

CR 600E over Flatrock River is a aluminum, wrought iron, or cast iron culvert carrying CR 600E over Flatrock River in Henry County, Indiana. It was built in 1981, so it is 44 years old, younger 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 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for load restriction.

It carries about 129 vehicles a day, roughly 6% of them trucks, projected to reach 181 by 2041. The structure is 38 ft (11.5 m) long and 14 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesCR 600E
CrossesFlatrock River
Location00.10 N of CR 200 N
RouteCounty Highway 79
CountyHenry County
StateIndiana
Coordinates39.96288, -85.27002
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
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating31.1 US tons
Inventory rating23.9 US tons

Structure

Structure typeCulvert
MaterialAluminum, Wrought Iron, or Cast Iron
DeckNot applicable
Main spans2
Design loadUnknown
Structure length38 ft (11.5 m)
Longest span17 ft (5.3 m)
Deck width14 ft (4.2 m)
Roadway width14 ft (4.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic129 (2021)
Projected traffic181 by 2041
Trucks6%
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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$525,000 (2021 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was CR 600E over Flatrock River built?

It was built in 1981, making it 44 years old in 2025.

What condition is CR 600E 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 600E over Flatrock River carry?

About 129 vehicles per day (2021 count), of which roughly 6% are trucks.

How long is CR 600E over Flatrock River?

The structure is 38 ft (11.5 m) long with a longest span of 17 ft (5.3 m) and a deck 14 ft wide.

Who owns CR 600E over Flatrock River?

It is owned by the County Highway Agency.