US Bridges

SR 4 over Boyer Ditch

GoodPosted for load

Elkhart County, Indiana · 03.60 E SR 15 · Structure no. 001495

Built
1990
35 years old
Condition
Good
inspected August 2024
Type
Culvert
Aluminum, Wrought Iron, or Cast Iron
Length
23 ft
1 main span
Daily traffic
2,481
2021 count
Owner
State
State Highway Agency

About this bridge

SR 4 over Boyer Ditch is a aluminum, wrought iron, or cast iron culvert carrying SR 4 over Boyer Ditch in Elkhart County, Indiana. It was built in 1990, so it is 35 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. Its operating status is: posted for load restriction.

It carries about 2,481 vehicles a day, roughly 14% of them trucks, projected to reach 5,679 by 2032. The structure is 23 ft (7 m) long and 44 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesSR 4
CrossesBoyer Ditch
Location03.60 E SR 15
RouteState Highway 4
CountyElkhart County
StateIndiana
Coordinates41.59732, -85.76748
Functional classRural Major Collector

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 protection8 Very GoodNo problems noted.
Culvert7 GoodSome minor problems.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating31.1 US tons
Inventory rating23.9 US tons

Structure

Structure typeCulvert
MaterialAluminum, Wrought Iron, or Cast Iron
DeckNot applicable
Main spans1
Design loadHS 20
Structure length23 ft (7 m)
Longest span22 ft (6.8 m)
Deck width44 ft (13.4 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,481 (2021)
Projected traffic5,679 by 2032
Trucks14%
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 Boyer Ditch built?

It was built in 1990, making it 35 years old in 2025.

What condition is SR 4 over Boyer 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 August 2024.

How much traffic does SR 4 over Boyer Ditch carry?

About 2,481 vehicles per day (2021 count), of which roughly 14% are trucks.

How long is SR 4 over Boyer Ditch?

The structure is 23 ft (7 m) long with a longest span of 22 ft (6.8 m) and a deck 44 ft wide.

Who owns SR 4 over Boyer Ditch?

It is owned by the State Highway Agency.