US Bridges

SR 149 over Little Calumet River

Good

Porter County, Indiana · 00.14 S US 12 · Structure no. 027370

Built
1970
55 years old, rebuilt 2021
Condition
Good
inspected November 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
902 ft
18 main spans
Daily traffic
5,485
2020 count
Owner
State
State Highway Agency

About this bridge

SR 149 over Little Calumet River is a prestressed concrete continuous stringer/multi-beam or girder carrying SR 149 over Little Calumet River in Porter County, Indiana. It was built in 1970 and reconstructed in 2021, so it is 55 years old, older 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 5,485 vehicles a day, roughly 9% of them trucks, projected to reach 14,513 by 2030. The structure is 902 ft (274.9 m) long and 87 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

CarriesSR 149
CrossesLittle Calumet River
Location00.14 S US 12
RouteState Highway 149
StateIndiana
Coordinates41.61692, -87.12596
Functional classUrban Other Principal Arterial

Condition and inspection

Good

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

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionNovember 2023
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 adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating53.2 US tons
Inventory rating39.2 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans18
Design loadHS 20
Structure length902 ft (274.9 m)
Longest span50 ft (15.2 m)
Deck width87 ft (26.5 m)
Roadway width84 ft (25.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,485 (2020)
Projected traffic14,513 by 2030
Trucks9%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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$5.5 million
NavigationNo navigation control on waterway

Frequently asked questions

When was SR 149 over Little Calumet River built?

It was built in 1970, making it 55 years old in 2025. It was reconstructed in 2021.

What condition is SR 149 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 November 2023.

How much traffic does SR 149 over Little Calumet River carry?

About 5,485 vehicles per day (2020 count), of which roughly 9% are trucks.

How long is SR 149 over Little Calumet River?

The structure is 902 ft (274.9 m) long with a longest span of 50 ft (15.2 m) and a deck 87 ft wide.

Who owns SR 149 over Little Calumet River?

It is owned by the State Highway Agency.