US Bridges

CR 300S over Flatrock River

FairPosted for load

Henry County, Indiana · 00.10 E of CR 250 E · Structure no. 3300081

Built
1984
41 years old
Condition
Fair
inspected August 2023
Type
Box Beam or Girders - Single or Spread
Prestressed Concrete Continuous
Length
122 ft
3 main spans
Daily traffic
181
2021 count
Owner
County
County Highway Agency

About this bridge

CR 300S over Flatrock River is a prestressed concrete continuous box beam or girders - single or spread carrying CR 300S over Flatrock River in Henry County, Indiana. It was built in 1984, so it is 41 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 6 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 181 vehicles a day, roughly 8% of them trucks, projected to reach 259 by 2041. The structure is 122 ft (37.2 m) long and 30 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesCR 300S
CrossesFlatrock River
Location00.10 E of CR 250 E
RouteCounty Highway 26
CountyHenry County
StateIndiana
Coordinates39.88776, -85.33674
Functional classRural Minor Collector

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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to 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 rating41.2 US tons
Inventory rating24.7 US tons

Structure

Structure typeBox Beam or Girders - Single or Spread
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length122 ft (37.2 m)
Longest span40 ft (12.3 m)
Deck width30 ft (9.1 m)
Roadway width28 ft (8.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic181 (2021)
Projected traffic259 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 proposedOther structural work, including hydraulic replacements
Estimated improvement cost$50,000 (2021 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was CR 300S over Flatrock River built?

It was built in 1984, making it 41 years old in 2025.

What condition is CR 300S 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 300S over Flatrock River carry?

About 181 vehicles per day (2021 count), of which roughly 8% are trucks.

How long is CR 300S over Flatrock River?

The structure is 122 ft (37.2 m) long with a longest span of 40 ft (12.3 m) and a deck 30 ft wide.

Who owns CR 300S over Flatrock River?

It is owned by the County Highway Agency.