US Bridges

I-69 over Durnell Ditch

Fair

Allen County, Indiana · 00.95 S SR 14 · Structure no. 040235

Built
1961
64 years old
Condition
Fair
inspected November 2024
Type
Culvert
Concrete
Length
47 ft
3 main spans
Daily traffic
59,380
2022 count
Owner
State
State Highway Agency

About this bridge

I-69 over Durnell Ditch is a concrete culvert carrying I-69 over Durnell Ditch in Allen County, Indiana. It was built in 1961, so it is 64 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 59,380 vehicles a day, roughly 12% of them trucks, projected to reach 105,867 by 2031. The structure is 47 ft (14.2 m) long and 112 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesI-69
CrossesDurnell Ditch
Location00.95 S SR 14
RouteInterstate 69
StateIndiana
Coordinates41.06276, -85.23629
Functional classUrban 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
Channel and channel protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
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 rating35.9 US tons
Inventory rating35.9 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadHS 20 + Mod
Structure length47 ft (14.2 m)
Longest span14 ft (4.3 m)
Deck width112 ft (34.1 m)
Roadway width112 ft (34.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic59,380 (2022)
Projected traffic105,867 by 2031
Trucks12%
Lanes on structure6
Traffic directionTwo-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 over Durnell Ditch built?

It was built in 1961, making it 64 years old in 2025.

What condition is I-69 over Durnell 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 November 2024.

How much traffic does I-69 over Durnell Ditch carry?

About 59,380 vehicles per day (2022 count), of which roughly 12% are trucks.

How long is I-69 over Durnell Ditch?

The structure is 47 ft (14.2 m) long with a longest span of 14 ft (4.3 m) and a deck 112 ft wide.

Who owns I-69 over Durnell Ditch?

It is owned by the State Highway Agency.