US Bridges

CR 100 East over Mann Ditch

FairPosted for load

Clinton County, Indiana · 0.10 N of Kelly Road · Structure no. 1200125

Built
1958
67 years old
Condition
Fair
inspected May 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
48 ft
1 main span
Daily traffic
2,105
2021 count
Owner
County
County Highway Agency

About this bridge

CR 100 East over Mann Ditch is a prestressed concrete box beam or girders - multiple carrying CR 100 East over Mann Ditch in Clinton County, Indiana. It was built in 1958, so it is 67 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. Its operating status is: posted for load restriction.

It carries about 2,105 vehicles a day, roughly 6% of them trucks, projected to reach 2,526 by 2041. The structure is 48 ft (14.6 m) long and 28 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesCR 100 East
CrossesMann Ditch
Location0.10 N of Kelly Road
RouteCity Street 49
StateIndiana
Coordinates40.26644, -86.48711
Functional classUrban 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 protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation6: Equal to present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating46.1 US tons
Inventory rating27.6 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadUnknown
Structure length48 ft (14.6 m)
Longest span43 ft (13.1 m)
Deck width28 ft (8.6 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,105 (2021)
Projected traffic2,526 by 2041
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 100 East over Mann Ditch built?

It was built in 1958, making it 67 years old in 2025.

What condition is CR 100 East 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 100 East over Mann Ditch carry?

About 2,105 vehicles per day (2021 count), of which roughly 6% are trucks.

How long is CR 100 East over Mann Ditch?

The structure is 48 ft (14.6 m) long with a longest span of 43 ft (13.1 m) and a deck 28 ft wide.

Who owns CR 100 East over Mann Ditch?

It is owned by the County Highway Agency.