US Bridges

CR 600N over Killbuck Creek

Good

Madison County, Indiana · 00.10 W CR 425 E · Structure no. 4800080

Built
1999
26 years old
Condition
Good
inspected October 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
240 ft
3 main spans
Daily traffic
425
2023 count
Owner
County
County Highway Agency

About this bridge

CR 600N over Killbuck Creek is a prestressed concrete continuous stringer/multi-beam or girder carrying CR 600N over Killbuck Creek in Madison County, Indiana. It was built in 1999, so it is 26 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 425 vehicles a day, roughly 2% of them trucks, projected to reach 602 by 2043. The structure is 240 ft (73.3 m) long and 31 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesCR 600N
CrossesKillbuck Creek
Location00.10 W CR 425 E
RouteCounty Highway 56
StateIndiana
Coordinates40.19391, -85.59406
Functional classRural Local

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 protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
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 rating95 US tons
Inventory rating46.7 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length240 ft (73.3 m)
Longest span82 ft (25 m)
Deck width31 ft (9.5 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic425 (2023)
Projected traffic602 by 2043
Trucks2%
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 Killbuck Creek built?

It was built in 1999, making it 26 years old in 2025.

What condition is CR 600N over 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 October 2024.

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

About 425 vehicles per day (2023 count), of which roughly 2% are trucks.

How long is CR 600N over Killbuck Creek?

The structure is 240 ft (73.3 m) long with a longest span of 82 ft (25 m) and a deck 31 ft wide.

Who owns CR 600N over Killbuck Creek?

It is owned by the County Highway Agency.