US Bridges

Airport RD over Grand Calumet River

Good

Lake County, Indiana · 00.20 N. of US 20 · Structure no. 4500207

Built
2001
24 years old
Condition
Good
inspected August 2024
Type
Box Beam or Girders - Single or Spread
Prestressed Concrete Continuous
Length
220 ft
4 main spans
Daily traffic
10,736
2011 count
Owner
County
County Highway Agency

About this bridge

Airport RD over Grand Calumet River is a prestressed concrete continuous box beam or girders - single or spread carrying Airport RD over Grand Calumet River in Lake County, Indiana. It was built in 2001, so it is 24 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 10,736 vehicles a day, roughly 3% of them trucks, projected to reach 14,045 by 2038. The structure is 220 ft (67 m) long and 66 ft wide. If it were closed, the detour would be 5.6 mi (9 km).

Location

Open in Google Maps
CarriesAirport RD
CrossesGrand Calumet River
Location00.20 N. of US 20
RouteU.S. Route 12
CountyLake County
StateIndiana
Coordinates41.60815, -87.39382
Functional classUrban Minor Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating67.4 US tons
Inventory rating40.3 US tons

Structure

Structure typeBox Beam or Girders - Single or Spread
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length220 ft (67 m)
Longest span57 ft (17.3 m)
Deck width66 ft (20.1 m)
Roadway width63 ft (19.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10,736 (2011)
Projected traffic14,045 by 2038
Trucks3%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5.6 mi (9 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 proposedNone recorded
Estimated improvement cost—
NavigationNavigation control on waterway (bridge permit required)

Frequently asked questions

When was Airport RD over Grand Calumet River built?

It was built in 2001, making it 24 years old in 2025.

What condition is Airport RD over Grand Calumet River 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 August 2024.

How much traffic does Airport RD over Grand Calumet River carry?

About 10,736 vehicles per day (2011 count), of which roughly 3% are trucks.

How long is Airport RD over Grand Calumet River?

The structure is 220 ft (67 m) long with a longest span of 57 ft (17.3 m) and a deck 66 ft wide.

Who owns Airport RD over Grand Calumet River?

It is owned by the County Highway Agency.