US Bridges

Township Road 85 over Mathews Ditch

Fair

Hardin County, Ohio · .3 MI N of JCT of CR 60 · Structure no. 3337111

Built
1918
107 years old, rebuilt 1968
Condition
Fair
inspected June 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
41 ft
1 main span
Daily traffic
351
2015 count
Owner
County
County Highway Agency

About this bridge

Township Road 85 over Mathews Ditch is a prestressed concrete box beam or girders - multiple carrying Township Road 85 over Mathews Ditch in Hardin County, Ohio. It was built in 1918 and reconstructed in 1968, so it is 107 years old, older than the Ohio average of 47.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 351 vehicles a day, roughly 7% of them trucks, projected to reach 487 by 2035. The structure is 41 ft (12.5 m) long and 21 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

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CarriesTownship Road 85
CrossesMathews Ditch
Location.3 MI N of JCT of CR 60
RouteCounty Highway 85
CountyHardin County
StateOhio
Coordinates40.75194, -83.74789
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJune 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating62.2 US tons
Inventory rating37.1 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length41 ft (12.5 m)
Longest span39 ft (11.9 m)
Deck width21 ft (6.5 m)
Roadway width21 ft (6.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic351 (2015)
Projected traffic487 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 Township Road 85 over Mathews Ditch built?

It was built in 1918, making it 107 years old in 2025. It was reconstructed in 1968.

What condition is Township Road 85 over Mathews Ditch in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in June 2024.

How much traffic does Township Road 85 over Mathews Ditch carry?

About 351 vehicles per day (2015 count), of which roughly 7% are trucks.

How long is Township Road 85 over Mathews Ditch?

The structure is 41 ft (12.5 m) long with a longest span of 39 ft (11.9 m) and a deck 21 ft wide.

Who owns Township Road 85 over Mathews Ditch?

It is owned by the County Highway Agency.