US Bridges

CR 600 South over Big Rock Creek

Fair

Cass County, Indiana · 00.30 E of CR 500 E · Structure no. 0900091

Built
2004
21 years old
Condition
Fair
inspected June 2023
Type
Box Beam or Girders - Single or Spread
Prestressed Concrete
Length
55 ft
1 main span
Daily traffic
270
2023 count
Owner
County
County Highway Agency

About this bridge

CR 600 South over Big Rock Creek is a prestressed concrete box beam or girders - single or spread carrying CR 600 South over Big Rock Creek in Cass County, Indiana. It was built in 2004, so it is 21 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.

It carries about 270 vehicles a day, roughly 5% of them trucks, projected to reach 360 by 2043. The structure is 55 ft (16.7 m) long and 28 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesCR 600 South
CrossesBig Rock Creek
Location00.30 E of CR 500 E
RouteCounty Highway 22
StateIndiana
Coordinates40.67838, -86.27341
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no 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 alignment8: Equal to present desirable criteria
Operating rating56.2 US tons
Inventory rating26.2 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length55 ft (16.7 m)
Longest span49 ft (14.9 m)
Deck width28 ft (8.5 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic270 (2023)
Projected traffic360 by 2043
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 600 South over Big Rock Creek built?

It was built in 2004, making it 21 years old in 2025.

What condition is CR 600 South over Big Rock Creek 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 June 2023.

How much traffic does CR 600 South over Big Rock Creek carry?

About 270 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is CR 600 South over Big Rock Creek?

The structure is 55 ft (16.7 m) long with a longest span of 49 ft (14.9 m) and a deck 28 ft wide.

Who owns CR 600 South over Big Rock Creek?

It is owned by the County Highway Agency.