US Bridges

East 7B Road over Dausman Ditch

Fair

Marshall County, Indiana · 00.40 W of N Filbert Road · Structure no. 5000071

Built
1986
39 years old
Condition
Fair
inspected October 2024
Type
Slab
Wood or Timber
Length
54 ft
3 main spans
Daily traffic
100
2022 count
Owner
County
County Highway Agency

About this bridge

East 7B Road over Dausman Ditch is a wood or timber slab carrying East 7B Road over Dausman Ditch in Marshall County, Indiana. It was built in 1986, so it is 39 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 100 vehicles a day, roughly 8% of them trucks, projected to reach 150 by 2042. The structure is 54 ft (16.4 m) long and 26 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesEast 7B Road
CrossesDausman Ditch
Location00.40 W of N Filbert Road
RouteCounty Highway 781
CountyMarshall County
StateIndiana
Coordinates41.36891, -86.17148
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 protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating63.6 US tons
Inventory rating48.9 US tons

Structure

Structure typeSlab
MaterialWood or Timber
DeckWood or timber
Main spans3
Design loadHS 20
Structure length54 ft (16.4 m)
Longest span26 ft (7.9 m)
Deck width26 ft (7.8 m)
Roadway width24 ft (7.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (2022)
Projected traffic150 by 2042
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 East 7B Road over Dausman Ditch built?

It was built in 1986, making it 39 years old in 2025.

What condition is East 7B Road over Dausman 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 October 2024.

How much traffic does East 7B Road over Dausman Ditch carry?

About 100 vehicles per day (2022 count), of which roughly 8% are trucks.

How long is East 7B Road over Dausman Ditch?

The structure is 54 ft (16.4 m) long with a longest span of 26 ft (7.9 m) and a deck 26 ft wide.

Who owns East 7B Road over Dausman Ditch?

It is owned by the County Highway Agency.