US Bridges

Karr RD over Brn Ludlow Ck

Good

Darke County, Ohio · .2 MI N. of Graw RD · Structure no. 1933167

Built
1993
32 years old
Condition
Good
inspected September 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
31 ft
1 main span
Daily traffic
797
2015 count
Owner
County
County Highway Agency

About this bridge

Karr RD over Brn Ludlow Ck is a prestressed concrete box beam or girders - multiple carrying Karr RD over Brn Ludlow Ck in Darke County, Ohio. It was built in 1993, so it is 32 years old, younger than the Ohio average of 47.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 797 vehicles a day, roughly 8% of them trucks, projected to reach 1,106 by 2035. The structure is 31 ft (9.4 m) long and 24 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesKarr RD
CrossesBrn Ludlow Ck
Location.2 MI N. of Graw RD
RouteCounty Highway T0113
StateOhio
Coordinates39.9715, -84.50122
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations on dry land well above flood water elevations
Structural evaluation8: Equal to present desirable criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating84.7 US tons
Inventory rating50.7 US tons

Structure

MaterialPrestressed Concrete
DeckOther
Main spans1
Design loadHS 20 + Mod
Structure length31 ft (9.4 m)
Longest span27 ft (8.2 m)
Deck width24 ft (7.3 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic797 (2015)
Projected traffic1,106 by 2035
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 Karr RD over Brn Ludlow Ck built?

It was built in 1993, making it 32 years old in 2025.

What condition is Karr RD over Brn Ludlow Ck 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 Karr RD over Brn Ludlow Ck carry?

About 797 vehicles per day (2015 count), of which roughly 8% are trucks.

How long is Karr RD over Brn Ludlow Ck?

The structure is 31 ft (9.4 m) long with a longest span of 27 ft (8.2 m) and a deck 24 ft wide.

Who owns Karr RD over Brn Ludlow Ck?

It is owned by the County Highway Agency.