US Bridges

Koenig Road over Singer Ditch

GoodPosted for load

Knox County, Indiana · 00.45 N of Riverdale Road · Structure no. 4200234

Built
1905
120 years old, rebuilt 2002
Condition
Good
inspected September 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
51 ft
1 main span
Daily traffic
130
2015 count
Owner
County
County Highway Agency

About this bridge

Koenig Road over Singer Ditch is a steel stringer/multi-beam or girder carrying Koenig Road over Singer Ditch in Knox County, Indiana. It was built in 1905 and reconstructed in 2002, so it is 120 years old, older than the Indiana average of 46.6 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. Its operating status is: posted for load restriction.

It carries about 130 vehicles a day, roughly 2% of them trucks, projected to reach 170 by 2035. The structure is 51 ft (15.5 m) long and 20 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesKoenig Road
CrossesSinger Ditch
Location00.45 N of Riverdale Road
RouteCounty Highway 0
StateIndiana
Coordinates38.8399, -87.21542
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating30.8 US tons
Inventory rating23.6 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length51 ft (15.5 m)
Longest span47 ft (14.4 m)
Deck width20 ft (6 m)
Roadway width19 ft (5.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic130 (2015)
Projected traffic170 by 2035
Trucks2%
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 Koenig Road over Singer Ditch built?

It was built in 1905, making it 120 years old in 2025. It was reconstructed in 2002.

What condition is Koenig Road over Singer Ditch in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in September 2023.

How much traffic does Koenig Road over Singer Ditch carry?

About 130 vehicles per day (2015 count), of which roughly 2% are trucks.

How long is Koenig Road over Singer Ditch?

The structure is 51 ft (15.5 m) long with a longest span of 47 ft (14.4 m) and a deck 20 ft wide.

Who owns Koenig Road over Singer Ditch?

It is owned by the County Highway Agency.