US Bridges

CR 350E over Flatrock River

Fair

Henry County, Indiana · 00.25 N of CR 300 S · Structure no. 3300088

Built
1935
90 years old, rebuilt 1982
Condition
Fair
inspected August 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
43 ft
1 main span
Daily traffic
131
2021 count
Owner
County
County Highway Agency

About this bridge

CR 350E over Flatrock River is a prestressed concrete box beam or girders - multiple carrying CR 350E over Flatrock River in Henry County, Indiana. It was built in 1935 and reconstructed in 1982, so it is 90 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 5 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 131 vehicles a day, roughly 6% of them trucks, projected to reach 210 by 2041. The structure is 43 ft (13 m) long and 20 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

Open in Google Maps
CarriesCR 350E
CrossesFlatrock River
Location00.25 N of CR 300 S
RouteCounty Highway 245
CountyHenry County
StateIndiana
Coordinates39.89083, -85.31899
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.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no 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 geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating48.2 US tons
Inventory rating32.8 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length43 ft (13 m)
Longest span40 ft (12.1 m)
Deck width20 ft (6 m)
Roadway width20 ft (6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic131 (2021)
Projected traffic210 by 2041
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed0.6 mi (1 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 proposedOther structural work, including hydraulic replacements
Estimated improvement cost$15,000 (2021 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was CR 350E over Flatrock River built?

It was built in 1935, making it 90 years old in 2025. It was reconstructed in 1982.

What condition is CR 350E 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 350E over Flatrock River carry?

About 131 vehicles per day (2021 count), of which roughly 6% are trucks.

How long is CR 350E over Flatrock River?

The structure is 43 ft (13 m) long with a longest span of 40 ft (12.1 m) and a deck 20 ft wide.

Who owns CR 350E over Flatrock River?

It is owned by the County Highway Agency.