US Bridges

Old Mansfield over Job Run

FairPosted for load

Knox County, Ohio · 1.4 MI North of Hyatt RD · Structure no. 4234324

Built
1930
95 years old
Condition
Fair
inspected April 2024
Type
Slab
Concrete
Length
24 ft
1 main span
Daily traffic
298
2015 count
Owner
County
County Highway Agency

About this bridge

Old Mansfield over Job Run is a concrete slab carrying Old Mansfield over Job Run in Knox County, Ohio. It was built in 1930, so it is 95 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. Its operating status is: posted for load restriction.

It carries about 298 vehicles a day, roughly 7% of them trucks, projected to reach 414 by 2042. The structure is 24 ft (7.3 m) long and 28 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesOld Mansfield
CrossesJob Run
Location1.4 MI North of Hyatt RD
RouteCounty Highway 5
CountyKnox County
StateOhio
Coordinates40.47472, -82.48333
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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating25 US tons
Inventory rating17.9 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length24 ft (7.3 m)
Longest span21 ft (6.4 m)
Deck width28 ft (8.4 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic298 (2015)
Projected traffic414 by 2042
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 Old Mansfield over Job Run built?

It was built in 1930, making it 95 years old in 2025.

What condition is Old Mansfield over Job Run 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 April 2024.

How much traffic does Old Mansfield over Job Run carry?

About 298 vehicles per day (2015 count), of which roughly 7% are trucks.

How long is Old Mansfield over Job Run?

The structure is 24 ft (7.3 m) long with a longest span of 21 ft (6.4 m) and a deck 28 ft wide.

Who owns Old Mansfield over Job Run?

It is owned by the County Highway Agency.