US Bridges

SR 149 over Salt Creek

Good

Porter County, Indiana · 01.05 S US 6 · Structure no. 027340

Built
1955
70 years old, rebuilt 1999
Condition
Good
inspected June 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
62 ft
1 main span
Daily traffic
10,655
2004 count
Owner
State
State Highway Agency

About this bridge

SR 149 over Salt Creek is a steel stringer/multi-beam or girder carrying SR 149 over Salt Creek in Porter County, Indiana. It was built in 1955 and reconstructed in 1999, so it is 70 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 10,655 vehicles a day, roughly 3% of them trucks, projected to reach 15,013 by 2030. The structure is 62 ft (18.8 m) long and 47 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesSR 149
CrossesSalt Creek
Location01.05 S US 6
RouteState Highway 149
StateIndiana
Coordinates41.53518, -87.12413
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJune 2023
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 adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating64.6 US tons
Inventory rating49.6 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length62 ft (18.8 m)
Longest span59 ft (18.1 m)
Deck width47 ft (14.2 m)
Roadway width44 ft (13.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10,655 (2004)
Projected traffic15,013 by 2030
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was SR 149 over Salt Creek built?

It was built in 1955, making it 70 years old in 2025. It was reconstructed in 1999.

What condition is SR 149 over Salt Creek 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 2023.

How much traffic does SR 149 over Salt Creek carry?

About 10,655 vehicles per day (2004 count), of which roughly 3% are trucks.

How long is SR 149 over Salt Creek?

The structure is 62 ft (18.8 m) long with a longest span of 59 ft (18.1 m) and a deck 47 ft wide.

Who owns SR 149 over Salt Creek?

It is owned by the State Highway Agency.