US Bridges

CR 415S over Flatrock River

Good

Rush County, Indiana · 00.80 E of CR 350 W · Structure no. 7000126

Built
1987
38 years old
Condition
Good
inspected May 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
391 ft
6 main spans
Daily traffic
100
2019 count
Owner
County
County Highway Agency

About this bridge

CR 415S over Flatrock River is a prestressed concrete continuous stringer/multi-beam or girder carrying CR 415S over Flatrock River in Rush County, Indiana. It was built in 1987, so it is 38 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 100 vehicles a day, roughly 10% of them trucks, projected to reach 150 by 2039. The structure is 391 ft (119.1 m) long and 27 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesCR 415S
CrossesFlatrock River
Location00.80 E of CR 350 W
RouteCounty Highway 26
StateIndiana
Coordinates39.54837, -85.49459
Functional classRural Minor Collector

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 protection7 GoodSome minor problems.
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 geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating71.2 US tons
Inventory rating42.7 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, precast panels
Main spans6
Design loadHS 20
Structure length391 ft (119.1 m)
Longest span65 ft (19.9 m)
Deck width27 ft (8.2 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (2019)
Projected traffic150 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was CR 415S over Flatrock River built?

It was built in 1987, making it 38 years old in 2025.

What condition is CR 415S 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 415S over Flatrock River carry?

About 100 vehicles per day (2019 count), of which roughly 10% are trucks.

How long is CR 415S over Flatrock River?

The structure is 391 ft (119.1 m) long with a longest span of 65 ft (19.9 m) and a deck 27 ft wide.

Who owns CR 415S over Flatrock River?

It is owned by the County Highway Agency.