US Bridges

Township Road 255 over Mcdonald Creek

Fair

Hardin County, Ohio · .1 MI N.Of JCT of Twp 230 · Structure no. 3334147

Built
1977
48 years old
Condition
Fair
inspected July 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
28 ft
1 main span
Daily traffic
150
1951 count
Owner
County
County Highway Agency

About this bridge

Township Road 255 over Mcdonald Creek is a steel stringer/multi-beam or girder carrying Township Road 255 over Mcdonald Creek in Hardin 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 fair condition with a lowest component rating of 5 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 150 vehicles a day, roughly 10% of them trucks, projected to reach 208 by 1971. The structure is 28 ft (8.5 m) long and 21 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesTownship Road 255
CrossesMcdonald Creek
Location.1 MI N.Of JCT of Twp 230
RouteCounty Highway 255
StateOhio
Coordinates40.55615, -83.41795
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than 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 rating60.7 US tons
Inventory rating42.9 US tons

Structure

MaterialSteel
DeckWood or timber
Main spans1
Design loadUnknown
Structure length28 ft (8.5 m)
Longest span25 ft (7.6 m)
Deck width21 ft (6.5 m)
Roadway width21 ft (6.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic150 (1951)
Projected traffic208 by 1971
Trucks10%
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 255 over Mcdonald Creek built?

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

What condition is Township Road 255 over Mcdonald Creek 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 July 2024.

How much traffic does Township Road 255 over Mcdonald Creek carry?

About 150 vehicles per day (1951 count), of which roughly 10% are trucks.

How long is Township Road 255 over Mcdonald Creek?

The structure is 28 ft (8.5 m) long with a longest span of 25 ft (7.6 m) and a deck 21 ft wide.

Who owns Township Road 255 over Mcdonald Creek?

It is owned by the County Highway Agency.