US Bridges

Johnson RD over Geyer Ditch

Good

St. Joseph County, Indiana · 00.30 E of Tamarack RD · Structure no. 7100132

Built
2010
15 years old
Condition
Good
inspected September 2024
Type
Slab
Concrete Continuous
Length
86 ft
3 main spans
Daily traffic
431
2019 count
Owner
County
County Highway Agency

About this bridge

Johnson RD over Geyer Ditch is a concrete continuous slab carrying Johnson RD over Geyer Ditch in St. Joseph County, Indiana. It was built in 2010, so it is 15 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 431 vehicles a day, roughly 10% of them trucks, projected to reach 628 by 2039. The structure is 86 ft (26.2 m) long and 32 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesJohnson RD
CrossesGeyer Ditch
Location00.30 E of Tamarack RD
RouteCounty Highway 0
StateIndiana
Coordinates41.61628, -86.42147
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating64.8 US tons
Inventory rating38.8 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length86 ft (26.2 m)
Longest span31 ft (9.6 m)
Deck width32 ft (9.8 m)
Roadway width32 ft (9.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic431 (2019)
Projected traffic628 by 2039
Trucks10%
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

OwnerCounty Highway Agency
Maintained byCounty 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 Johnson RD over Geyer Ditch built?

It was built in 2010, making it 15 years old in 2025.

What condition is Johnson RD over Geyer 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 September 2024.

How much traffic does Johnson RD over Geyer Ditch carry?

About 431 vehicles per day (2019 count), of which roughly 10% are trucks.

How long is Johnson RD over Geyer Ditch?

The structure is 86 ft (26.2 m) long with a longest span of 31 ft (9.6 m) and a deck 32 ft wide.

Who owns Johnson RD over Geyer Ditch?

It is owned by the County Highway Agency.