US Bridges

SR 331 over Grimes Ditch

Good

St. Joseph County, Indiana · 04.86 S SR 933 · Structure no. 079626

Built
2011
14 years old
Condition
Good
inspected July 2023
Type
Culvert
Concrete
Length
22 ft
1 main span
Daily traffic
6,583
2018 count
Owner
State
State Highway Agency

About this bridge

SR 331 over Grimes Ditch is a concrete culvert carrying SR 331 over Grimes Ditch in St. Joseph County, Indiana. It was built in 2011, so it is 14 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 6,583 vehicles a day, roughly 15% of them trucks, projected to reach 7,580 by 2031. The structure is 22 ft (6.7 m) long and 62 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesSR 331
CrossesGrimes Ditch
Location04.86 S SR 933
RouteState Highway 331
StateIndiana
Coordinates41.59292, -86.17653
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 inspectionJuly 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 rating82.5 US tons
Inventory rating63.6 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHS 20
Structure length22 ft (6.7 m)
Longest span20 ft (6.1 m)
Deck width62 ft (18.8 m)
Roadway width40 ft (12.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,583 (2018)
Projected traffic7,580 by 2031
Trucks15%
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 331 over Grimes Ditch built?

It was built in 2011, making it 14 years old in 2025.

What condition is SR 331 over Grimes 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 July 2023.

How much traffic does SR 331 over Grimes Ditch carry?

About 6,583 vehicles per day (2018 count), of which roughly 15% are trucks.

How long is SR 331 over Grimes Ditch?

The structure is 22 ft (6.7 m) long with a longest span of 20 ft (6.1 m) and a deck 62 ft wide.

Who owns SR 331 over Grimes Ditch?

It is owned by the State Highway Agency.