US Bridges

SR 47 over Turkey Run

Good

Parke County, Indiana · 01.60 N US 41 · Structure no. 017560

Built
1977
48 years old
Condition
Good
inspected March 2023
Type
Segmental Box Girder
Prestressed Concrete Continuous
Length
325 ft
2 main spans
Daily traffic
1,530
2020 count
Owner
State
State Highway Agency

About this bridge

SR 47 over Turkey Run is a prestressed concrete continuous segmental box girder carrying SR 47 over Turkey Run in Parke County, Indiana. It was built in 1977, so it is 48 years old, older 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 1,530 vehicles a day, roughly 10% of them trucks, projected to reach 1,530 by 2030. The structure is 325 ft (99 m) long and 47 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesSR 47
CrossesTurkey Run
Location01.60 N US 41
RouteState Highway 47
StateIndiana
Coordinates39.88167, -87.20416
Functional classRural Minor Arterial

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 inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry8: Equal to present desirable criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating68.9 US tons
Inventory rating53.2 US tons

Structure

Structure typeSegmental Box Girder
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length325 ft (99 m)
Longest span158 ft (48.3 m)
Deck width47 ft (14.3 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,530 (2020)
Projected traffic1,530 by 2030
Trucks10%
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

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 47 over Turkey Run built?

It was built in 1977, making it 48 years old in 2025.

What condition is SR 47 over Turkey Run 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 March 2023.

How much traffic does SR 47 over Turkey Run carry?

About 1,530 vehicles per day (2020 count), of which roughly 10% are trucks.

How long is SR 47 over Turkey Run?

The structure is 325 ft (99 m) long with a longest span of 158 ft (48.3 m) and a deck 47 ft wide.

Who owns SR 47 over Turkey Run?

It is owned by the State Highway Agency.