US Bridges

Konradi RD over Ziegler Creek

PoorPosted for load

Dearborn County, Indiana · 00.60 E of Platt RD · Structure no. 1500042

Built
1930
95 years old
Condition
Poor
inspected April 2024
Type
Stringer/Multi-beam or Girder
Concrete
Length
31 ft
1 main span
Daily traffic
100
2017 count
Owner
County
County Highway Agency

About this bridge

Konradi RD over Ziegler Creek is a concrete stringer/multi-beam or girder carrying Konradi RD over Ziegler Creek in Dearborn County, Indiana. It was built in 1930, so it is 95 years old, older than the Indiana average of 46.6 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.

It carries about 100 vehicles a day, roughly 10% of them trucks, projected to reach 150 by 2037. The structure is 31 ft (9.4 m) long and 17 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesKonradi RD
CrossesZiegler Creek
Location00.60 E of Platt RD
RouteCounty Highway 0
StateIndiana
Coordinates39.16838, -84.98064
Functional classRural Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating32.3 US tons
Inventory rating24 US tons

Structure

MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length31 ft (9.4 m)
Longest span28 ft (8.4 m)
Deck width17 ft (5.1 m)
Roadway width15 ft (4.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (2017)
Projected traffic150 by 2037
Trucks10%
Lanes on structure1
Traffic directionOne-lane bridge for two-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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$700,000 (2019 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Konradi RD over Ziegler Creek built?

It was built in 1930, making it 95 years old in 2025.

What condition is Konradi RD over Ziegler Creek in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in April 2024.

How much traffic does Konradi RD over Ziegler Creek carry?

About 100 vehicles per day (2017 count), of which roughly 10% are trucks.

How long is Konradi RD over Ziegler Creek?

The structure is 31 ft (9.4 m) long with a longest span of 28 ft (8.4 m) and a deck 17 ft wide.

Who owns Konradi RD over Ziegler Creek?

It is owned by the County Highway Agency.