US Bridges

CR 150W over Little Flatrock River

Fair

Decatur County, Indiana · 00.20 N of CR 750 N · Structure no. 1600027

Built
1990
35 years old
Condition
Fair
inspected April 2023
Type
Box Beam or Girders - Single or Spread
Prestressed Concrete Continuous
Length
172 ft
3 main spans
Daily traffic
140
2017 count
Owner
County
County Highway Agency

About this bridge

CR 150W over Little Flatrock River is a prestressed concrete continuous box beam or girders - single or spread carrying CR 150W over Little Flatrock River in Decatur County, Indiana. It was built in 1990, so it is 35 years old, younger 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 140 vehicles a day, roughly 8% of them trucks, projected to reach 220 by 2037. The structure is 172 ft (52.4 m) long and 27 ft wide. If it were closed, the detour would be 5.6 mi (9 km).

Location

Open in Google Maps
CarriesCR 150W
CrossesLittle Flatrock River
Location00.20 N of CR 750 N
RouteCounty Highway 45
CountyDecatur County
StateIndiana
Coordinates39.44759, -85.51208
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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating46.7 US tons
Inventory rating36 US tons

Structure

Structure typeBox Beam or Girders - Single or Spread
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length172 ft (52.4 m)
Longest span70 ft (21.3 m)
Deck width27 ft (8.2 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic140 (2017)
Projected traffic220 by 2037
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5.6 mi (9 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 150W over Little Flatrock River built?

It was built in 1990, making it 35 years old in 2025.

What condition is CR 150W over Little Flatrock River 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 April 2023.

How much traffic does CR 150W over Little Flatrock River carry?

About 140 vehicles per day (2017 count), of which roughly 8% are trucks.

How long is CR 150W over Little Flatrock River?

The structure is 172 ft (52.4 m) long with a longest span of 70 ft (21.3 m) and a deck 27 ft wide.

Who owns CR 150W over Little Flatrock River?

It is owned by the County Highway Agency.