US Bridges

Ditmer over Ludlow Creek

Good

Miami County, Ohio · 1.10 N of CR45 · Structure no. 5532841

Built
1971
54 years old
Condition
Good
inspected February 2025
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
105 ft
3 main spans
Daily traffic
385
2015 count
Owner
County
County Highway Agency

About this bridge

Ditmer over Ludlow Creek is a prestressed concrete box beam or girders - multiple carrying Ditmer over Ludlow Creek in Miami County, Ohio. It was built in 1971, so it is 54 years old, older 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 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 385 vehicles a day, roughly 8% of them trucks, projected to reach 534 by 2038. The structure is 105 ft (32 m) long and 24 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesDitmer
CrossesLudlow Creek
Location1.10 N of CR45
RouteCounty Highway 55
StateOhio
Coordinates39.99167, -84.40333
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
Deck9 ExcellentNo problems noted.
Superstructure9 ExcellentNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating65 US tons
Inventory rating50.4 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHL 93
Structure length105 ft (32 m)
Longest span35 ft (10.7 m)
Deck width24 ft (7.4 m)
Roadway width24 ft (7.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic385 (2015)
Projected traffic534 by 2038
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 Ditmer over Ludlow Creek built?

It was built in 1971, making it 54 years old in 2025.

What condition is Ditmer over Ludlow Creek 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 February 2025.

How much traffic does Ditmer over Ludlow Creek carry?

About 385 vehicles per day (2015 count), of which roughly 8% are trucks.

How long is Ditmer over Ludlow Creek?

The structure is 105 ft (32 m) long with a longest span of 35 ft (10.7 m) and a deck 24 ft wide.

Who owns Ditmer over Ludlow Creek?

It is owned by the County Highway Agency.