US Bridges

Pieper Road over Purdy Marsh Ditch

Fair

Knox County, Indiana · 00.69 E of Pine Bluff Roa · Structure no. 4200225

Built
1978
47 years old
Condition
Fair
inspected September 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
51 ft
1 main span
Daily traffic
170
2015 count
Owner
County
County Highway Agency

About this bridge

Pieper Road over Purdy Marsh Ditch is a steel stringer/multi-beam or girder carrying Pieper Road over Purdy Marsh Ditch in Knox County, Indiana. It was built in 1978, so it is 47 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 170 vehicles a day, roughly 3% of them trucks, projected to reach 230 by 2035. The structure is 51 ft (15.5 m) long and 21 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesPieper Road
CrossesPurdy Marsh Ditch
Location00.69 E of Pine Bluff Roa
RouteCounty Highway 0
CountyKnox County
StateIndiana
Coordinates38.81551, -87.27788
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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2023
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 geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating59.3 US tons
Inventory rating45.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length51 ft (15.5 m)
Longest span47 ft (14.3 m)
Deck width21 ft (6.5 m)
Roadway width21 ft (6.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic170 (2015)
Projected traffic230 by 2035
Trucks3%
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 Pieper Road over Purdy Marsh Ditch built?

It was built in 1978, making it 47 years old in 2025.

What condition is Pieper Road over Purdy Marsh 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 September 2023.

How much traffic does Pieper Road over Purdy Marsh Ditch carry?

About 170 vehicles per day (2015 count), of which roughly 3% are trucks.

How long is Pieper Road over Purdy Marsh Ditch?

The structure is 51 ft (15.5 m) long with a longest span of 47 ft (14.3 m) and a deck 21 ft wide.

Who owns Pieper Road over Purdy Marsh Ditch?

It is owned by the County Highway Agency.