US Bridges

CR 700S over Flatrock River

Fair

Henry County, Indiana · 00.20 E of SR 103 · Structure no. 3300124

Built
1970
55 years old
Condition
Fair
inspected August 2023
Type
Box Beam or Girders - Single or Spread
Prestressed Concrete Continuous
Length
149 ft
3 main spans
Daily traffic
725
2019 count
Owner
County
County Highway Agency

About this bridge

CR 700S over Flatrock River is a prestressed concrete continuous box beam or girders - single or spread carrying CR 700S over Flatrock River in Henry County, Indiana. It was built in 1970, so it is 55 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 725 vehicles a day, roughly 10% of them trucks, projected to reach 1,200 by 2039. The structure is 149 ft (45.4 m) long and 29 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesCR 700S
CrossesFlatrock River
Location00.20 E of SR 103
RouteCounty Highway 250
CountyHenry County
StateIndiana
Coordinates39.83109, -85.35809
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
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 statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating46.7 US tons
Inventory rating35.9 US tons

Structure

Structure typeBox Beam or Girders - Single or Spread
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length149 ft (45.4 m)
Longest span49 ft (14.9 m)
Deck width29 ft (8.9 m)
Roadway width27 ft (8.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic725 (2019)
Projected traffic1,200 by 2039
Trucks10%
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 proposedDeck rehabilitation with only incidental widening
Estimated improvement cost$375,000 (2017 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was CR 700S over Flatrock River built?

It was built in 1970, making it 55 years old in 2025.

What condition is CR 700S 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 700S over Flatrock River carry?

About 725 vehicles per day (2019 count), of which roughly 10% are trucks.

How long is CR 700S over Flatrock River?

The structure is 149 ft (45.4 m) long with a longest span of 49 ft (14.9 m) and a deck 29 ft wide.

Who owns CR 700S over Flatrock River?

It is owned by the County Highway Agency.