US Bridges

SR 156 over Spring Branch

Good

Switzerland County, Indiana · 03.83 E SR 101 · Structure no. 027780

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

About this bridge

SR 156 over Spring Branch is a concrete culvert carrying SR 156 over Spring Branch 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 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 676 vehicles a day, roughly 10% of them trucks, projected to reach 1,444 by 2031. The structure is 22 ft (6.7 m) long and 26 ft wide. If it were closed, the detour would be 14.9 mi (24 km).

Location

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CarriesSR 156
CrossesSpring Branch
Location03.83 E SR 101
RouteState Highway 156
CountySwitzerland County
StateIndiana
Coordinates38.79409, -84.89668
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
Channel and channel protection7 GoodSome minor problems.
Culvert7 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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating46.1 US tons
Inventory rating40 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadH 20
Structure length22 ft (6.7 m)
Longest span20 ft (6 m)
Deck width26 ft (7.9 m)
Roadway width26 ft (7.9 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 Spring Branch built?

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

What condition is SR 156 over Spring Branch 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 156 over Spring Branch carry?

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

How long is SR 156 over Spring Branch?

The structure is 22 ft (6.7 m) long with a longest span of 20 ft (6 m) and a deck 26 ft wide.

Who owns SR 156 over Spring Branch?

It is owned by the State Highway Agency.