US Bridges

I-69 SB over NS RR Mcculloch Ditch

Fair

Allen County, Indiana · 00.80 S US 24 · Structure no. 040170

Built
1964
61 years old, rebuilt 2004
Condition
Fair
inspected December 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
255 ft
4 main spans
Daily traffic
18,794
2024 count
Owner
State
State Highway Agency

About this bridge

I-69 SB over NS RR Mcculloch Ditch is a steel continuous stringer/multi-beam or girder carrying I-69 SB over NS RR Mcculloch Ditch in Allen County, Indiana. It was built in 1964 and reconstructed in 2004, so it is 61 years old, older than the Indiana average of 46.6 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 18,794 vehicles a day, roughly 13% of them trucks, projected to reach 28,903 by 2030. The structure is 255 ft (77.7 m) long and 66 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesI-69 SB
CrossesNS RR Mcculloch Ditch
Location00.80 S US 24
RouteInterstate 69
StateIndiana
Coordinates41.02224, -85.2526
Functional classRural Principal Arterial - Interstate

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating40 US tons
Inventory rating31.1 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20 + Mod
Structure length255 ft (77.7 m)
Longest span77 ft (23.4 m)
Deck width66 ft (20.1 m)
Roadway width63 ft (19.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic18,794 (2024)
Projected traffic28,903 by 2030
Trucks13%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway
CrossesRailroad and waterway
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 NS RR Mcculloch Ditch built?

It was built in 1964, making it 61 years old in 2025. It was reconstructed in 2004.

What condition is I-69 SB over NS RR Mcculloch Ditch in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in December 2024.

How much traffic does I-69 SB over NS RR Mcculloch Ditch carry?

About 18,794 vehicles per day (2024 count), of which roughly 13% are trucks.

How long is I-69 SB over NS RR Mcculloch Ditch?

The structure is 255 ft (77.7 m) long with a longest span of 77 ft (23.4 m) and a deck 66 ft wide.

Who owns I-69 SB over NS RR Mcculloch Ditch?

It is owned by the State Highway Agency.