US Bridges

Airport Expy over Harber Drain

Fair

Allen County, Indiana · 00.40 E Airport DR · Structure no. 0200196

Built
1972
53 years old
Condition
Fair
inspected May 2024
Type
Slab
Concrete Continuous
Length
87 ft
3 main spans
Daily traffic
15,000
2016 count
Owner
County
County Highway Agency

About this bridge

Airport Expy over Harber Drain is a concrete continuous slab carrying Airport Expy over Harber Drain in Allen County, Indiana. It was built in 1972, so it is 53 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 15,000 vehicles a day, roughly 5% of them trucks, projected to reach 18,000 by 2036. The structure is 87 ft (26.5 m) long and 87 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

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CarriesAirport Expy
CrossesHarber Drain
Location00.40 E Airport DR
RouteCity Street 0
CountyAllen County
StateIndiana
Coordinates41.00211, -85.17643
Functional classUrban Minor Arterial

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMay 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 adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48.5 US tons
Inventory rating35.9 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadUnknown
Structure length87 ft (26.5 m)
Longest span34 ft (10.3 m)
Deck width87 ft (26.5 m)
Roadway width84 ft (25.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic15,000 (2016)
Projected traffic18,000 by 2036
Trucks5%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$4.7 million (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Airport Expy over Harber Drain built?

It was built in 1972, making it 53 years old in 2025.

What condition is Airport Expy over Harber Drain 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 May 2024.

How much traffic does Airport Expy over Harber Drain carry?

About 15,000 vehicles per day (2016 count), of which roughly 5% are trucks.

How long is Airport Expy over Harber Drain?

The structure is 87 ft (26.5 m) long with a longest span of 34 ft (10.3 m) and a deck 87 ft wide.

Who owns Airport Expy over Harber Drain?

It is owned by the County Highway Agency.