US Bridges

Patterson Halpin over Eilerman Ditch

Good

Shelby County, Ohio · .41 M. N. Mason Road · Structure no. 7548001

Built
2006
19 years old
Condition
Good
inspected October 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
34 ft
1 main span
Daily traffic
96
2020 count
Owner
County
County Highway Agency

About this bridge

Patterson Halpin over Eilerman Ditch is a prestressed concrete box beam or girders - multiple carrying Patterson Halpin over Eilerman Ditch in Shelby County, Ohio. It was built in 2006, so it is 19 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 96 vehicles a day, roughly 7% of them trucks, projected to reach 137 by 2040. The structure is 34 ft (10.4 m) long and 24 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesPatterson Halpin
CrossesEilerman Ditch
Location.41 M. N. Mason Road
RouteCounty Highway T0085
CountyShelby County
StateOhio
Coordinates40.33588, -84.26526
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 inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60.7 US tons
Inventory rating46.7 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length34 ft (10.4 m)
Longest span31 ft (9.4 m)
Deck width24 ft (7.3 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic96 (2020)
Projected traffic137 by 2040
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 Patterson Halpin over Eilerman Ditch built?

It was built in 2006, making it 19 years old in 2025.

What condition is Patterson Halpin over Eilerman 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 October 2024.

How much traffic does Patterson Halpin over Eilerman Ditch carry?

About 96 vehicles per day (2020 count), of which roughly 7% are trucks.

How long is Patterson Halpin over Eilerman Ditch?

The structure is 34 ft (10.4 m) long with a longest span of 31 ft (9.4 m) and a deck 24 ft wide.

Who owns Patterson Halpin over Eilerman Ditch?

It is owned by the County Highway Agency.