US Bridges

CR 300N over Birch Creek

GoodPosted for load

Clay County, Indiana · 00.30 E of 25 W · Structure no. 1100069

Built
1990
35 years old
Condition
Good
inspected September 2024
Type
Slab
Wood or Timber
Length
77 ft
3 main spans
Daily traffic
237
2022 count
Owner
County
County Highway Agency

About this bridge

CR 300N over Birch Creek is a wood or timber slab carrying CR 300N over Birch Creek in Clay County, Indiana. It was built in 1990, so it is 35 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. Its operating status is: posted for load restriction.

It carries about 237 vehicles a day, roughly 7% of them trucks, projected to reach 299 by 2042. The structure is 77 ft (23.6 m) long and 21 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesCR 300N
CrossesBirch Creek
Location00.30 E of 25 W
RouteCounty Highway 56
StateIndiana
Coordinates39.43111, -87.10788
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 protection7 GoodSome minor problems.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusPosted for load 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 adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48.5 US tons
Inventory rating33.3 US tons

Structure

Structure typeSlab
MaterialWood or Timber
DeckWood or timber
Main spans3
Design loadUnknown
Structure length77 ft (23.6 m)
Longest span26 ft (7.8 m)
Deck width21 ft (6.5 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic237 (2022)
Projected traffic299 by 2042
Trucks7%
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 300N over Birch Creek built?

It was built in 1990, making it 35 years old in 2025.

What condition is CR 300N 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 300N over Birch Creek carry?

About 237 vehicles per day (2022 count), of which roughly 7% are trucks.

How long is CR 300N over Birch Creek?

The structure is 77 ft (23.6 m) long with a longest span of 26 ft (7.8 m) and a deck 21 ft wide.

Who owns CR 300N over Birch Creek?

It is owned by the County Highway Agency.