US Bridges

Township Road 146 over Jim Creek

Fair

Hardin County, Ohio · .5 Mi. W. of Jct. C.R.265 · Structure no. 3331180

Built
1900
125 years old, rebuilt 1975
Condition
Fair
inspected July 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
30 ft
1 main span
Daily traffic
324
2015 count
Owner
County
County Highway Agency

About this bridge

Township Road 146 over Jim Creek is a prestressed concrete box beam or girders - multiple carrying Township Road 146 over Jim Creek in Hardin County, Ohio. It was built in 1900 and reconstructed in 1975, so it is 125 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 324 vehicles a day, roughly 7% of them trucks, projected to reach 450 by 2035. The structure is 30 ft (9.1 m) long and 18 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesTownship Road 146
CrossesJim Creek
Location.5 Mi. W. of Jct. C.R.265
RouteCounty Highway T0146
CountyHardin County
StateOhio
Coordinates40.61895, -83.5094
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJuly 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 geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating78.6 US tons
Inventory rating47.2 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadH 15
Structure length30 ft (9.1 m)
Longest span28 ft (8.5 m)
Deck width18 ft (5.5 m)
Roadway width18 ft (5.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic324 (2015)
Projected traffic450 by 2035
Trucks7%
Lanes on structure1
Traffic directionOne-lane bridge for two-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 146 over Jim Creek built?

It was built in 1900, making it 125 years old in 2025. It was reconstructed in 1975.

What condition is Township Road 146 over Jim 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 146 over Jim Creek carry?

About 324 vehicles per day (2015 count), of which roughly 7% are trucks.

How long is Township Road 146 over Jim Creek?

The structure is 30 ft (9.1 m) long with a longest span of 28 ft (8.5 m) and a deck 18 ft wide.

Who owns Township Road 146 over Jim Creek?

It is owned by the County Highway Agency.