US Bridges

Otterbein-Ithaca over Maple Swamp Ditch

Good

Darke County, Ohio · .42 MI W Usr 127 · Structure no. 1932454

Built
1977
48 years old
Condition
Good
inspected July 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
44 ft
1 main span
Daily traffic
108
2015 count
Owner
County
County Highway Agency

About this bridge

Otterbein-Ithaca over Maple Swamp Ditch is a prestressed concrete box beam or girders - multiple carrying Otterbein-Ithaca over Maple Swamp Ditch in Darke County, Ohio. It was built in 1977, so it is 48 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 108 vehicles a day, roughly 7% of them trucks, projected to reach 150 by 2035. The structure is 44 ft (13.4 m) long and 24 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesOtterbein-Ithaca
CrossesMaple Swamp Ditch
Location.42 MI W Usr 127
RouteCounty Highway T0048
CountyDarke County
StateOhio
Coordinates39.94577, -84.64
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 protection8 Very GoodNo problems noted.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating91.8 US tons
Inventory rating55 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length44 ft (13.4 m)
Longest span40 ft (12.2 m)
Deck width24 ft (7.3 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic108 (2015)
Projected traffic150 by 2035
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 Otterbein-Ithaca over Maple Swamp Ditch built?

It was built in 1977, making it 48 years old in 2025.

What condition is Otterbein-Ithaca over Maple Swamp 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 July 2023.

How much traffic does Otterbein-Ithaca over Maple Swamp Ditch carry?

About 108 vehicles per day (2015 count), of which roughly 7% are trucks.

How long is Otterbein-Ithaca over Maple Swamp Ditch?

The structure is 44 ft (13.4 m) long with a longest span of 40 ft (12.2 m) and a deck 24 ft wide.

Who owns Otterbein-Ithaca over Maple Swamp Ditch?

It is owned by the County Highway Agency.