US Bridges

CR 600 South over Big Rock Creek

Fair

Cass County, Indiana · 00.40 W of CR 500 E · Structure no. 0900090

Built
1979
46 years old
Condition
Fair
inspected June 2023
Type
Culvert
Steel
Length
26 ft
2 main spans
Daily traffic
260
2023 count
Owner
County
County Highway Agency

About this bridge

CR 600 South over Big Rock Creek is a steel culvert carrying CR 600 South over Big Rock Creek in Cass County, Indiana. It was built in 1979, so it is 46 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 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 260 vehicles a day, roughly 5% of them trucks, projected to reach 340 by 2043. The structure is 26 ft (8 m) long and 50 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesCR 600 South
CrossesBig Rock Creek
Location00.40 W of CR 500 E
RouteCounty Highway 22
CountyCass County
StateIndiana
Coordinates40.67841, -86.28609
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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating46.1 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans2
Design loadUnknown
Structure length26 ft (8 m)
Longest span12 ft (3.6 m)
Deck width50 ft (15.2 m)
Roadway width19 ft (5.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic260 (2023)
Projected traffic340 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 1979, making it 46 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 260 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is CR 600 South over Big Rock Creek?

The structure is 26 ft (8 m) long with a longest span of 12 ft (3.6 m) and a deck 50 ft wide.

Who owns CR 600 South over Big Rock Creek?

It is owned by the County Highway Agency.