US Bridges

CR 400W over Flatrock River

Good

Decatur County, Indiana · 00.10 S CR 750 N · Structure no. 1600208

Built
2013
12 years old
Condition
Good
inspected April 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
211 ft
3 main spans
Daily traffic
110
2017 count
Owner
County
County Highway Agency

About this bridge

CR 400W over Flatrock River is a prestressed concrete continuous stringer/multi-beam or girder carrying CR 400W over Flatrock River in Decatur County, Indiana. It was built in 2013, so it is 12 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 110 vehicles a day, roughly 5% of them trucks, projected to reach 170 by 2037. The structure is 211 ft (64.3 m) long and 26 ft wide. If it were closed, the detour would be 5.6 mi (9 km).

Location

Open in Google Maps
CarriesCR 400W
CrossesFlatrock River
Location00.10 S CR 750 N
RouteCounty Highway 237
CountyDecatur County
StateIndiana
Coordinates39.44324, -85.55416
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.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating35.9 US tons
Inventory rating35.9 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadUnknown
Structure length211 ft (64.3 m)
Longest span85 ft (25.9 m)
Deck width26 ft (7.9 m)
Roadway width25 ft (7.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic110 (2017)
Projected traffic170 by 2037
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5.6 mi (9 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 400W over Flatrock River built?

It was built in 2013, making it 12 years old in 2025.

What condition is CR 400W 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 April 2023.

How much traffic does CR 400W over Flatrock River carry?

About 110 vehicles per day (2017 count), of which roughly 5% are trucks.

How long is CR 400W over Flatrock River?

The structure is 211 ft (64.3 m) long with a longest span of 85 ft (25.9 m) and a deck 26 ft wide.

Who owns CR 400W over Flatrock River?

It is owned by the County Highway Agency.