US Bridges

SR 57 over Flat Creek

Good

Pike County, Indiana · 04.37 S SR 56 · Structure no. 020580

Built
1939
86 years old, rebuilt 1984
Condition
Good
inspected July 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
66 ft
1 main span
Daily traffic
2,170
2019 count
Owner
State
State Highway Agency

About this bridge

SR 57 over Flat Creek is a steel stringer/multi-beam or girder carrying SR 57 over Flat Creek in Pike County, Indiana. It was built in 1939 and reconstructed in 1984, so it is 86 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 2,170 vehicles a day, roughly 9% of them trucks, projected to reach 2,320 by 2039. The structure is 66 ft (20.1 m) long and 46 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesSR 57
CrossesFlat Creek
Location04.37 S SR 56
RouteState Highway 57
StateIndiana
Coordinates38.43037, -87.30859
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 inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating51 US tons
Inventory rating39.2 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadH 20
Structure length66 ft (20.1 m)
Longest span61 ft (18.7 m)
Deck width46 ft (14.1 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,170 (2019)
Projected traffic2,320 by 2039
Trucks9%
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

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 57 over Flat Creek built?

It was built in 1939, making it 86 years old in 2025. It was reconstructed in 1984.

What condition is SR 57 over Flat 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 July 2023.

How much traffic does SR 57 over Flat Creek carry?

About 2,170 vehicles per day (2019 count), of which roughly 9% are trucks.

How long is SR 57 over Flat Creek?

The structure is 66 ft (20.1 m) long with a longest span of 61 ft (18.7 m) and a deck 46 ft wide.

Who owns SR 57 over Flat Creek?

It is owned by the State Highway Agency.