US Bridges

I-469 over Langley Ditch

Good

Allen County, Indiana · 00.49 W SR 37 · Structure no. 076182

Built
1992
33 years old
Condition
Good
inspected June 2024
Type
Culvert
Steel
Length
25 ft
2 main spans
Daily traffic
31,687
2021 count
Owner
State
State Highway Agency

About this bridge

I-469 over Langley Ditch is a steel culvert carrying I-469 over Langley Ditch in Allen County, Indiana. It was built in 1992, so it is 33 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 31,687 vehicles a day, roughly 25% of them trucks, projected to reach 35,000 by 2034. The structure is 25 ft (7.6 m) long and 200 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesI-469
CrossesLangley Ditch
Location00.49 W SR 37
RouteInterstate 469
StateIndiana
Coordinates41.13834, -85.01402
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
Channel and channel protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionJune 2024
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 rating46.1 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans2
Design loadHS 20
Structure length25 ft (7.6 m)
Longest span10 ft (3.1 m)
Deck width200 ft (60.9 m)
Roadway width200 ft (60.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic31,687 (2021)
Projected traffic35,000 by 2034
Trucks25%
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 Langley Ditch built?

It was built in 1992, making it 33 years old in 2025.

What condition is I-469 over Langley 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 June 2024.

How much traffic does I-469 over Langley Ditch carry?

About 31,687 vehicles per day (2021 count), of which roughly 25% are trucks.

How long is I-469 over Langley Ditch?

The structure is 25 ft (7.6 m) long with a longest span of 10 ft (3.1 m) and a deck 200 ft wide.

Who owns I-469 over Langley Ditch?

It is owned by the State Highway Agency.