US Bridges

I-69 SB over Baker Ditch

Good

Grant County, Indiana · 03.24 N SR 18 · Structure no. 039810

Built
1963
62 years old, rebuilt 2001
Condition
Good
inspected April 2023
Type
Slab
Concrete Continuous
Length
54 ft
3 main spans
Daily traffic
15,281
2019 count
Owner
State
State Highway Agency

About this bridge

I-69 SB over Baker Ditch is a concrete continuous slab carrying I-69 SB over Baker Ditch in Grant County, Indiana. It was built in 1963 and reconstructed in 2001, 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 15,281 vehicles a day, roughly 35% of them trucks, projected to reach 39,150 by 2035. The structure is 54 ft (16.4 m) long and 43 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesI-69 SB
CrossesBaker Ditch
Location03.24 N SR 18
RouteInterstate 69
StateIndiana
Coordinates40.59911, -85.54606
Functional classRural Principal Arterial - Interstate

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 inspectionApril 2023
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 adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating52.5 US tons
Inventory rating40 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length54 ft (16.4 m)
Longest span20 ft (6 m)
Deck width43 ft (13.1 m)
Roadway width40 ft (12.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic15,281 (2019)
Projected traffic39,150 by 2035
Trucks35%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed0.6 mi (1 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

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 I-69 SB over Baker Ditch built?

It was built in 1963, making it 62 years old in 2025. It was reconstructed in 2001.

What condition is I-69 SB over Baker 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 April 2023.

How much traffic does I-69 SB over Baker Ditch carry?

About 15,281 vehicles per day (2019 count), of which roughly 35% are trucks.

How long is I-69 SB over Baker Ditch?

The structure is 54 ft (16.4 m) long with a longest span of 20 ft (6 m) and a deck 43 ft wide.

Who owns I-69 SB over Baker Ditch?

It is owned by the State Highway Agency.