US Bridges

CR 150N over Little Flat Creek

Fair

Dubois County, Indiana · 00.80 W of CR 750 W · Structure no. 1900007

Built
1978
47 years old
Condition
Fair
inspected February 2024
Type
Slab
Concrete Continuous
Length
71 ft
3 main spans
Daily traffic
97
2012 count
Owner
County
County Highway Agency

About this bridge

CR 150N over Little Flat Creek is a concrete continuous slab carrying CR 150N over Little Flat Creek in Dubois County, Indiana. It was built in 1978, so it is 47 years old, older than the Indiana average of 46.6 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 97 vehicles a day, roughly 5% of them trucks, projected to reach 119 by 2032. The structure is 71 ft (21.6 m) long and 26 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesCR 150N
CrossesLittle Flat Creek
Location00.80 W of CR 750 W
RouteCounty Highway 206
StateIndiana
Coordinates38.40039, -87.05997
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionFebruary 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 adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating68.9 US tons
Inventory rating53.2 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length71 ft (21.6 m)
Longest span28 ft (8.4 m)
Deck width26 ft (7.9 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic97 (2012)
Projected traffic119 by 2032
Trucks5%
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 150N over Little Flat Creek built?

It was built in 1978, making it 47 years old in 2025.

What condition is CR 150N over Little Flat Creek in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in February 2024.

How much traffic does CR 150N over Little Flat Creek carry?

About 97 vehicles per day (2012 count), of which roughly 5% are trucks.

How long is CR 150N over Little Flat Creek?

The structure is 71 ft (21.6 m) long with a longest span of 28 ft (8.4 m) and a deck 26 ft wide.

Who owns CR 150N over Little Flat Creek?

It is owned by the County Highway Agency.