US Bridges

CR 600N over Little Killbuck Creek

Good

Madison County, Indiana · 00.80 E SR 9 · Structure no. 4800082

Built
1985
40 years old
Condition
Good
inspected September 2024
Type
Slab
Concrete Continuous
Length
82 ft
3 main spans
Daily traffic
623
2023 count
Owner
County
County Highway Agency

About this bridge

CR 600N over Little Killbuck Creek is a concrete continuous slab carrying CR 600N over Little Killbuck Creek in Madison County, Indiana. It was built in 1985, so it is 40 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 623 vehicles a day, roughly 3% of them trucks, projected to reach 883 by 2043. The structure is 82 ft (24.9 m) long and 28 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesCR 600N
CrossesLittle Killbuck Creek
Location00.80 E SR 9
RouteCounty Highway 56
StateIndiana
Coordinates40.19374, -85.65389
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 inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than 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 rating61.2 US tons
Inventory rating36.7 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length82 ft (24.9 m)
Longest span32 ft (9.7 m)
Deck width28 ft (8.6 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic623 (2023)
Projected traffic883 by 2043
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 600N over Little Killbuck Creek built?

It was built in 1985, making it 40 years old in 2025.

What condition is CR 600N over Little Killbuck Creek 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 September 2024.

How much traffic does CR 600N over Little Killbuck Creek carry?

About 623 vehicles per day (2023 count), of which roughly 3% are trucks.

How long is CR 600N over Little Killbuck Creek?

The structure is 82 ft (24.9 m) long with a longest span of 32 ft (9.7 m) and a deck 28 ft wide.

Who owns CR 600N over Little Killbuck Creek?

It is owned by the County Highway Agency.