US Bridges

CR 350S over Flatrock River

Good

Rush County, Indiana · 00.40 W of CR 200 W · Structure no. 7000133

Built
1997
28 years old
Condition
Good
inspected May 2023
Type
Tee Beam
Prestressed Concrete Continuous
Length
267 ft
3 main spans
Daily traffic
150
2019 count
Owner
County
County Highway Agency

About this bridge

CR 350S over Flatrock River is a prestressed concrete continuous tee beam carrying CR 350S over Flatrock River in Rush County, Indiana. It was built in 1997, so it is 28 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 150 vehicles a day, roughly 5% of them trucks, projected to reach 200 by 2037. The structure is 267 ft (81.5 m) long and 24 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesCR 350S
CrossesFlatrock River
Location00.40 W of CR 200 W
RouteCounty Highway 116
StateIndiana
Coordinates39.56108, -85.48366
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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating52.2 US tons
Inventory rating31.3 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length267 ft (81.5 m)
Longest span92 ft (28 m)
Deck width24 ft (7.3 m)
Roadway width23 ft (7.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic150 (2019)
Projected traffic200 by 2037
Trucks5%
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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was CR 350S over Flatrock River built?

It was built in 1997, making it 28 years old in 2025.

What condition is CR 350S 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 May 2023.

How much traffic does CR 350S over Flatrock River carry?

About 150 vehicles per day (2019 count), of which roughly 5% are trucks.

How long is CR 350S over Flatrock River?

The structure is 267 ft (81.5 m) long with a longest span of 92 ft (28 m) and a deck 24 ft wide.

Who owns CR 350S over Flatrock River?

It is owned by the County Highway Agency.