US Bridges

I-469 over Martin Ditch

Good

Allen County, Indiana · 01.19 E I-69 · Structure no. 076390

Built
1995
30 years old
Condition
Good
inspected April 2023
Type
Culvert
Steel
Length
37 ft
2 main spans
Daily traffic
44,507
2020 count
Owner
State
State Highway Agency

About this bridge

I-469 over Martin Ditch is a steel culvert carrying I-469 over Martin Ditch in Allen County, Indiana. It was built in 1995, so it is 30 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 44,507 vehicles a day, roughly 12% of them trucks, projected to reach 185 by 2035. The structure is 37 ft (11.3 m) long and 93 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

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CarriesI-469
CrossesMartin Ditch
Location01.19 E I-69
RouteInterstate 469
CountyAllen County
StateIndiana
Coordinates41.16755, -85.08138
Functional classUrban 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
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert7 GoodSome minor problems.
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 geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating110.1 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans2
Design loadHS 20
Structure length37 ft (11.3 m)
Longest span16 ft (4.9 m)
Deck width93 ft (28.3 m)
Roadway width93 ft (28.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic44,507 (2020)
Projected traffic185 by 2035
Trucks12%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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-469 over Martin Ditch built?

It was built in 1995, making it 30 years old in 2025.

What condition is I-469 over Martin 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-469 over Martin Ditch carry?

About 44,507 vehicles per day (2020 count), of which roughly 12% are trucks.

How long is I-469 over Martin Ditch?

The structure is 37 ft (11.3 m) long with a longest span of 16 ft (4.9 m) and a deck 93 ft wide.

Who owns I-469 over Martin Ditch?

It is owned by the State Highway Agency.