US Bridges

US 6 over Mill Creek

Good

LaPorte County, Indiana · 02.70 W SR 39 · Structure no. 001650

Built
1997
28 years old
Condition
Good
inspected November 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
49 ft
1 main span
Daily traffic
3,557
2021 count
Owner
State
State Highway Agency

About this bridge

US 6 over Mill Creek is a prestressed concrete stringer/multi-beam or girder carrying US 6 over Mill Creek in LaPorte County, Indiana. It was built in 1997, so it is 28 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 3,557 vehicles a day, roughly 20% of them trucks, projected to reach 6,566 by 2030. The structure is 49 ft (14.9 m) long and 43 ft wide. If it were closed, the detour would be 2.5 mi (4 km).

CarriesUS 6
CrossesMill Creek
Location02.70 W SR 39
RouteU.S. Route 6
StateIndiana
Coordinates41.51728, -86.792
Functional classRural Principal Arterial - Other

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 inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating62.8 US tons
Inventory rating26.8 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length49 ft (14.9 m)
Longest span46 ft (13.9 m)
Deck width43 ft (13.2 m)
Roadway width40 ft (12.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,557 (2021)
Projected traffic6,566 by 2030
Trucks20%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed2.5 mi (4 km)
TollOn a free road
National Highway SystemYes

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 US 6 over Mill Creek built?

It was built in 1997, making it 28 years old in 2025.

What condition is US 6 over Mill 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 November 2024.

How much traffic does US 6 over Mill Creek carry?

About 3,557 vehicles per day (2021 count), of which roughly 20% are trucks.

How long is US 6 over Mill Creek?

The structure is 49 ft (14.9 m) long with a longest span of 46 ft (13.9 m) and a deck 43 ft wide.

Who owns US 6 over Mill Creek?

It is owned by the State Highway Agency.