US Bridges

CR 600N over Birch Creek

Good

Clay County, Indiana · 00.30 E of SR 59 · Structure no. 1100061

Built
1987
38 years old, rebuilt 1995
Condition
Good
inspected September 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
50 ft
2 main spans
Daily traffic
387
2022 count
Owner
County
County Highway Agency

About this bridge

CR 600N over Birch Creek is a prestressed concrete box beam or girders - multiple carrying CR 600N over Birch Creek in Clay County, Indiana. It was built in 1987 and reconstructed in 1995, so it is 38 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 387 vehicles a day, roughly 4% of them trucks, projected to reach 488 by 2042. The structure is 50 ft (15.3 m) long and 24 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesCR 600N
CrossesBirch Creek
Location00.30 E of SR 59
RouteCounty Highway 64
StateIndiana
Coordinates39.47491, -87.11999
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 geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating51.5 US tons
Inventory rating38.6 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans2
Design loadHL 93
Structure length50 ft (15.3 m)
Longest span31 ft (9.4 m)
Deck width24 ft (7.4 m)
Roadway width24 ft (7.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic387 (2022)
Projected traffic488 by 2042
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 Birch Creek built?

It was built in 1987, making it 38 years old in 2025. It was reconstructed in 1995.

What condition is CR 600N over Birch 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 Birch Creek carry?

About 387 vehicles per day (2022 count), of which roughly 4% are trucks.

How long is CR 600N over Birch Creek?

The structure is 50 ft (15.3 m) long with a longest span of 31 ft (9.4 m) and a deck 24 ft wide.

Who owns CR 600N over Birch Creek?

It is owned by the County Highway Agency.