US Bridges

SR 15 over Whitehead Ditch

Poor

Elkhart County, Indiana · 02.80 N US 6 · Structure no. 004120

Built
1929
96 years old, rebuilt 1983
Condition
Poor
inspected June 2024
Type
Box Beam or Girders - Single or Spread
Prestressed Concrete
Length
41 ft
1 main span
Daily traffic
10,805
2020 count
Owner
State
State Highway Agency

About this bridge

SR 15 over Whitehead Ditch is a prestressed concrete box beam or girders - single or spread carrying SR 15 over Whitehead Ditch in Elkhart County, Indiana. It was built in 1929 and reconstructed in 1983, so it is 96 years old, older than the Indiana average of 46.6 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: open, would be posted or closed except for temporary shoring.

It carries about 10,805 vehicles a day, roughly 9% of them trucks, projected to reach 12,431 by 2031. The structure is 41 ft (12.4 m) long and 46 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesSR 15
CrossesWhitehead Ditch
Location02.80 N US 6
RouteState Highway 15
StateIndiana
Coordinates41.48953, -85.83559
Functional classRural Minor Arterial

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJune 2024
Inspection intervalevery 12 months
Operating statusOpen, would be posted or closed except for temporary shoring
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating33.6 US tons
Inventory rating19 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length41 ft (12.4 m)
Longest span37 ft (11.4 m)
Deck width46 ft (14.1 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10,805 (2020)
Projected traffic12,431 by 2031
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 15 over Whitehead Ditch built?

It was built in 1929, making it 96 years old in 2025. It was reconstructed in 1983.

What condition is SR 15 over Whitehead Ditch in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in June 2024.

How much traffic does SR 15 over Whitehead Ditch carry?

About 10,805 vehicles per day (2020 count), of which roughly 9% are trucks.

How long is SR 15 over Whitehead Ditch?

The structure is 41 ft (12.4 m) long with a longest span of 37 ft (11.4 m) and a deck 46 ft wide.

Who owns SR 15 over Whitehead Ditch?

It is owned by the State Highway Agency.