US Bridges

SR 46 over Birch Creek

Good

Clay County, Indiana · 00.92 W SR 59 · Structure no. 017021

Built
2014
11 years old
Condition
Good
inspected February 2024
Type
Slab
Concrete Continuous
Length
115 ft
3 main spans
Daily traffic
3,007
2015 count
Owner
State
State Highway Agency

About this bridge

SR 46 over Birch Creek is a concrete continuous slab carrying SR 46 over Birch Creek in Clay County, Indiana. It was built in 2014, so it is 11 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 3,007 vehicles a day, roughly 5% of them trucks, projected to reach 2,380 by 2034. The structure is 115 ft (35 m) long and 33 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

CarriesSR 46
CrossesBirch Creek
Location00.92 W SR 59
RouteState Highway 46
StateIndiana
Coordinates39.38687, -87.1278
Functional classRural Major 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 protection9 ExcellentNo problems noted.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating67.1 US tons
Inventory rating51.8 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHL 93
Structure length115 ft (35 m)
Longest span44 ft (13.4 m)
Deck width33 ft (10 m)
Roadway width30 ft (9.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,007 (2015)
Projected traffic2,380 by 2034
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed9.9 mi (16 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 SR 46 over Birch Creek built?

It was built in 2014, making it 11 years old in 2025.

What condition is SR 46 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 February 2024.

How much traffic does SR 46 over Birch Creek carry?

About 3,007 vehicles per day (2015 count), of which roughly 5% are trucks.

How long is SR 46 over Birch Creek?

The structure is 115 ft (35 m) long with a longest span of 44 ft (13.4 m) and a deck 33 ft wide.

Who owns SR 46 over Birch Creek?

It is owned by the State Highway Agency.