US Bridges

Colfax Street over Little Calumet River

Good

Lake County, Indiana · 00.90 N. of Ridge RD · Structure no. 4500122

Built
2000
25 years old
Condition
Good
inspected August 2024
Type
Box Beam or Girders - Single or Spread
Prestressed Concrete Continuous
Length
103 ft
3 main spans
Daily traffic
3,155
2018 count
Owner
County
County Highway Agency

About this bridge

Colfax Street over Little Calumet River is a prestressed concrete continuous box beam or girders - single or spread carrying Colfax Street over Little Calumet River in Lake County, Indiana. It was built in 2000, so it is 25 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 3,155 vehicles a day, roughly 3% of them trucks, projected to reach 3,850 by 2038. The structure is 103 ft (31.5 m) long and 38 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesColfax Street
CrossesLittle Calumet River
Location00.90 N. of Ridge RD
RouteCity Street 0
StateIndiana
Coordinates41.56396, -87.41308
Functional classUrban Collector

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.
Superstructure7 GoodSome minor problems.
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 above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating80.7 US tons
Inventory rating48.3 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length103 ft (31.5 m)
Longest span36 ft (10.9 m)
Deck width38 ft (11.7 m)
Roadway width35 ft (10.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,155 (2018)
Projected traffic3,850 by 2038
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed0.6 mi (1 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 Colfax Street over Little Calumet River built?

It was built in 2000, making it 25 years old in 2025.

What condition is Colfax Street over Little 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 Colfax Street over Little Calumet River carry?

About 3,155 vehicles per day (2018 count), of which roughly 3% are trucks.

How long is Colfax Street over Little Calumet River?

The structure is 103 ft (31.5 m) long with a longest span of 36 ft (10.9 m) and a deck 38 ft wide.

Who owns Colfax Street over Little Calumet River?

It is owned by the County Highway Agency.