US Bridges

SR 4 over Bunch Ditch

Good

St. Joseph County, Indiana · 00.16 E New US 31 · Structure no. 001477

Built
2013
12 years old
Condition
Good
inspected February 2024
Type
Slab
Concrete
Length
36 ft
1 main span
Daily traffic
785
2020 count
Owner
State
State Highway Agency

About this bridge

SR 4 over Bunch Ditch is a concrete slab carrying SR 4 over Bunch Ditch in St. Joseph County, Indiana. It was built in 2013, so it is 12 years old, younger 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 785 vehicles a day, roughly 12% of them trucks, projected to reach 4,070 by 2033. The structure is 36 ft (10.9 m) long and 61 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesSR 4
CrossesBunch Ditch
Location00.16 E New US 31
RouteState Highway 4
CountySt. Joseph County
StateIndiana
Coordinates41.53534, -86.24687
Functional classRural Local

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 protection8 Very GoodNo problems noted.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating55.7 US tons
Inventory rating42.9 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length36 ft (10.9 m)
Longest span33 ft (10.2 m)
Deck width61 ft (18.7 m)
Roadway width58 ft (17.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic785 (2020)
Projected traffic4,070 by 2033
Trucks12%
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 4 over Bunch Ditch built?

It was built in 2013, making it 12 years old in 2025.

What condition is SR 4 over Bunch Ditch 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 February 2024.

How much traffic does SR 4 over Bunch Ditch carry?

About 785 vehicles per day (2020 count), of which roughly 12% are trucks.

How long is SR 4 over Bunch Ditch?

The structure is 36 ft (10.9 m) long with a longest span of 33 ft (10.2 m) and a deck 61 ft wide.

Who owns SR 4 over Bunch Ditch?

It is owned by the State Highway Agency.