US Bridges

CR 150 South over Mann Ditch

Fair

Clinton County, Indiana · 0.50 W of CR 180 E · Structure no. 1200109

Built
1954
71 years old
Condition
Fair
inspected May 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
48 ft
1 main span
Daily traffic
1,748
2021 count
Owner
County
County Highway Agency

About this bridge

CR 150 South over Mann Ditch is a prestressed concrete box beam or girders - multiple carrying CR 150 South over Mann Ditch in Clinton County, Indiana. It was built in 1954, so it is 71 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 1,748 vehicles a day, roughly 11% of them trucks, projected to reach 3,985 by 2041. The structure is 48 ft (14.5 m) long and 31 ft wide. If it were closed, the detour would be 5.6 mi (9 km).

CarriesCR 150 South
CrossesMann Ditch
Location0.50 W of CR 180 E
RouteCounty Highway 34
StateIndiana
Coordinates40.2643, -86.48142
Functional classRural Major Collector

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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating53 US tons
Inventory rating29.4 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadUnknown
Structure length48 ft (14.5 m)
Longest span41 ft (12.6 m)
Deck width31 ft (9.3 m)
Roadway width28 ft (8.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,748 (2021)
Projected traffic3,985 by 2041
Trucks11%
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 statusEligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was CR 150 South over Mann Ditch built?

It was built in 1954, making it 71 years old in 2025.

What condition is CR 150 South over Mann Ditch 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 May 2024.

How much traffic does CR 150 South over Mann Ditch carry?

About 1,748 vehicles per day (2021 count), of which roughly 11% are trucks.

How long is CR 150 South over Mann Ditch?

The structure is 48 ft (14.5 m) long with a longest span of 41 ft (12.6 m) and a deck 31 ft wide.

Who owns CR 150 South over Mann Ditch?

It is owned by the County Highway Agency.