US Bridges

Debolt Road over Tuma Run

FairPosted for load

Knox County, Ohio · 1.0 MI South of Arrington · Structure no. 4236998

Built
1950
75 years old, rebuilt 1984
Condition
Fair
inspected March 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
37 ft
1 main span
Daily traffic
209
2018 count
Owner
County
County Highway Agency

About this bridge

Debolt Road over Tuma Run is a steel stringer/multi-beam or girder carrying Debolt Road over Tuma Run in Knox County, Ohio. It was built in 1950 and reconstructed in 1984, so it is 75 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. Its operating status is: posted for load restriction.

It carries about 209 vehicles a day, roughly 7% of them trucks, projected to reach 290 by 2042. The structure is 37 ft (11.3 m) long and 18 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Location

Open in Google Maps
CarriesDebolt Road
CrossesTuma Run
Location1.0 MI South of Arrington
RouteCounty Highway 145
CountyKnox County
StateOhio
Coordinates40.26453, -82.43138
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 protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 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 geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating25 US tons
Inventory rating17.9 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckWood or timber
Main spans1
Design loadUnknown
Structure length37 ft (11.3 m)
Longest span36 ft (11 m)
Deck width18 ft (5.5 m)
Roadway width18 ft (5.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic209 (2018)
Projected traffic290 by 2042
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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 Debolt Road over Tuma Run built?

It was built in 1950, making it 75 years old in 2025. It was reconstructed in 1984.

What condition is Debolt Road over Tuma 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 March 2024.

How much traffic does Debolt Road over Tuma Run carry?

About 209 vehicles per day (2018 count), of which roughly 7% are trucks.

How long is Debolt Road over Tuma Run?

The structure is 37 ft (11.3 m) long with a longest span of 36 ft (11 m) and a deck 18 ft wide.

Who owns Debolt Road over Tuma Run?

It is owned by the County Highway Agency.