US Bridges

CR 400N over Mill Creek

Good

Dubois County, Indiana · 00.50 W of Portersville R · Structure no. 1900013

Built
1900
125 years old, rebuilt 1995
Condition
Good
inspected February 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
42 ft
1 main span
Daily traffic
731
2012 count
Owner
County
County Highway Agency

About this bridge

CR 400N over Mill Creek is a steel stringer/multi-beam or girder carrying CR 400N over Mill Creek in Dubois County, Indiana. It was built in 1900 and reconstructed in 1995, so it is 125 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 731 vehicles a day, roughly 6% of them trucks, projected to reach 785 by 2032. The structure is 42 ft (12.7 m) long and 26 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesCR 400N
CrossesMill Creek
Location00.50 W of Portersville R
RouteCounty Highway 36
StateIndiana
Coordinates38.43695, -86.96285
Functional classRural Local

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 inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating66.7 US tons
Inventory rating39.9 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length42 ft (12.7 m)
Longest span39 ft (12 m)
Deck width26 ft (7.9 m)
Roadway width26 ft (7.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic731 (2012)
Projected traffic785 by 2032
Trucks6%
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

OwnerCounty Highway Agency
Maintained byCounty 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 CR 400N over Mill Creek built?

It was built in 1900, making it 125 years old in 2025. It was reconstructed in 1995.

What condition is CR 400N 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 February 2024.

How much traffic does CR 400N over Mill Creek carry?

About 731 vehicles per day (2012 count), of which roughly 6% are trucks.

How long is CR 400N over Mill Creek?

The structure is 42 ft (12.7 m) long with a longest span of 39 ft (12 m) and a deck 26 ft wide.

Who owns CR 400N over Mill Creek?

It is owned by the County Highway Agency.