US Bridges

Williams Street over Mann Ditch

Fair

Clinton County, Indiana · 0.10 S of Forest Drive · Structure no. 1200148

Built
1974
51 years old
Condition
Fair
inspected May 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
39 ft
1 main span
Daily traffic
1,285
2021 count
Owner
County
County Highway Agency

About this bridge

Williams Street over Mann Ditch is a prestressed concrete box beam or girders - multiple carrying Williams Street over Mann Ditch in Clinton County, Indiana. It was built in 1974, so it is 51 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 1,285 vehicles a day, roughly 4% of them trucks, projected to reach 1,543 by 2041. The structure is 39 ft (11.8 m) long and 24 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesWilliams Street
CrossesMann Ditch
Location0.10 S of Forest Drive
RouteCity Street 0
StateIndiana
Coordinates40.271, -86.50128
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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
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 adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating71 US tons
Inventory rating39.2 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length39 ft (11.8 m)
Longest span34 ft (10.5 m)
Deck width24 ft (7.3 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,285 (2021)
Projected traffic1,543 by 2041
Trucks4%
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 Williams Street over Mann Ditch built?

It was built in 1974, making it 51 years old in 2025.

What condition is Williams Street 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 Williams Street over Mann Ditch carry?

About 1,285 vehicles per day (2021 count), of which roughly 4% are trucks.

How long is Williams Street over Mann Ditch?

The structure is 39 ft (11.8 m) long with a longest span of 34 ft (10.5 m) and a deck 24 ft wide.

Who owns Williams Street over Mann Ditch?

It is owned by the County Highway Agency.