US Bridges

SR 156 over Turtle Creek

Fair

Switzerland County, Indiana · 02.47 E SR 101 · Structure no. 027770

Built
1938
87 years old
Condition
Fair
inspected March 2023
Type
Culvert
Concrete
Length
63 ft
1 main span
Daily traffic
676
2022 count
Owner
State
State Highway Agency

About this bridge

SR 156 over Turtle Creek is a concrete culvert carrying SR 156 over Turtle Creek in Switzerland County, Indiana. It was built in 1938, so it is 87 years old, older than the Indiana average of 46.6 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 676 vehicles a day, roughly 10% of them trucks, projected to reach 1,444 by 2031. The structure is 63 ft (19.2 m) long and 31 ft wide. If it were closed, the detour would be 14.9 mi (24 km).

CarriesSR 156
CrossesTurtle Creek
Location02.47 E SR 101
RouteState Highway 156
StateIndiana
Coordinates38.78498, -84.91945
Functional classRural Minor Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating70.5 US tons
Inventory rating42.3 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadH 20
Structure length63 ft (19.2 m)
Longest span60 ft (18.2 m)
Deck width31 ft (9.6 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic676 (2022)
Projected traffic1,444 by 2031
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed14.9 mi (24 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 156 over Turtle Creek built?

It was built in 1938, making it 87 years old in 2025.

What condition is SR 156 over Turtle Creek in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in March 2023.

How much traffic does SR 156 over Turtle Creek carry?

About 676 vehicles per day (2022 count), of which roughly 10% are trucks.

How long is SR 156 over Turtle Creek?

The structure is 63 ft (19.2 m) long with a longest span of 60 ft (18.2 m) and a deck 31 ft wide.

Who owns SR 156 over Turtle Creek?

It is owned by the State Highway Agency.