US Bridges

US 30 WB over Jain Ditch

Good

Starke County, Indiana · 01.94 W SR 23 · Structure no. 008350

Built
1963
62 years old, rebuilt 2004
Condition
Good
inspected November 2024
Type
Slab
Concrete Continuous
Length
61 ft
3 main spans
Daily traffic
6,793
2021 count
Owner
State
State Highway Agency

About this bridge

US 30 WB over Jain Ditch is a concrete continuous slab carrying US 30 WB over Jain Ditch in Starke County, Indiana. It was built in 1963 and reconstructed in 2004, so it is 62 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 6,793 vehicles a day, roughly 49% of them trucks, projected to reach 11,000 by 2030. The structure is 61 ft (18.7 m) long and 45 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesUS 30 WB
CrossesJain Ditch
Location01.94 W SR 23
RouteU.S. Route 30
StateIndiana
Coordinates41.37717, -86.54373
Functional classRural Principal Arterial - Other

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation7: Better than present minimum criteria
Deck geometry8: Equal to present desirable criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating41.1 US tons
Inventory rating31.7 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length61 ft (18.7 m)
Longest span24 ft (7.3 m)
Deck width45 ft (13.7 m)
Roadway width42 ft (12.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,793 (2021)
Projected traffic11,000 by 2030
Trucks49%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed0.6 mi (1 km)
TollOn a free road
National Highway SystemYes

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 US 30 WB over Jain Ditch built?

It was built in 1963, making it 62 years old in 2025. It was reconstructed in 2004.

What condition is US 30 WB over Jain 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 November 2024.

How much traffic does US 30 WB over Jain Ditch carry?

About 6,793 vehicles per day (2021 count), of which roughly 49% are trucks.

How long is US 30 WB over Jain Ditch?

The structure is 61 ft (18.7 m) long with a longest span of 24 ft (7.3 m) and a deck 45 ft wide.

Who owns US 30 WB over Jain Ditch?

It is owned by the State Highway Agency.