US Bridges

CR 600 North over Big Blue River

Fair

Shelby County, Indiana · 00.90 E of SR 9 · Structure no. 7300018

Built
1992
33 years old
Condition
Fair
inspected November 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
330 ft
4 main spans
Daily traffic
200
2021 count
Owner
County
County Highway Agency

About this bridge

CR 600 North over Big Blue River is a prestressed concrete continuous stringer/multi-beam or girder carrying CR 600 North over Big Blue River in Shelby County, Indiana. It was built in 1992, so it is 33 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 200 vehicles a day, roughly 5% of them trucks, projected to reach 300 by 2041. The structure is 330 ft (100.5 m) long and 31 ft wide. If it were closed, the detour would be 2.5 mi (4 km).

CarriesCR 600 North
CrossesBig Blue River
Location00.90 E of SR 9
RouteCounty Highway 234
StateIndiana
Coordinates39.61139, -85.74931
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 protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating35.9 US tons
Inventory rating35.9 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length330 ft (100.5 m)
Longest span85 ft (25.9 m)
Deck width31 ft (9.3 m)
Roadway width28 ft (8.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic200 (2021)
Projected traffic300 by 2041
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed2.5 mi (4 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 North over Big Blue River built?

It was built in 1992, making it 33 years old in 2025.

What condition is CR 600 North over Big Blue River 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 November 2023.

How much traffic does CR 600 North over Big Blue River carry?

About 200 vehicles per day (2021 count), of which roughly 5% are trucks.

How long is CR 600 North over Big Blue River?

The structure is 330 ft (100.5 m) long with a longest span of 85 ft (25.9 m) and a deck 31 ft wide.

Who owns CR 600 North over Big Blue River?

It is owned by the County Highway Agency.