US Bridges

Slack Road over Kent Run

PoorPosted for load

Muskingum County, Ohio · 0.84 MI NE of Bagley Road · Structure no. 6037399

Built
1900
125 years old, rebuilt 1951
Condition
Poor
inspected October 2024
Type
Truss - Thru
Steel
Length
65 ft
1 main span
Daily traffic
240
2015 count
Owner
County
County Highway Agency

About this bridge

Slack Road over Kent Run is a steel truss - thru carrying Slack Road over Kent Run in Muskingum County, Ohio. It was built in 1900 and reconstructed in 1951, 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 poor condition with a lowest component rating of 3 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.

It carries about 240 vehicles a day, roughly 8% of them trucks, projected to reach 333 by 2035. The structure is 65 ft (19.8 m) long and 19 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesSlack Road
CrossesKent Run
Location0.84 MI NE of Bagley Road
RouteCounty Highway T0090
StateOhio
Coordinates39.89695, -82.13409
Functional classRural Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionOctober 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating20 US tons
Inventory rating13 US tons

Structure

Structure typeTruss - Thru
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length65 ft (19.8 m)
Longest span62 ft (18.9 m)
Deck width19 ft (5.9 m)
Roadway width17 ft (5.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic240 (2015)
Projected traffic333 by 2035
Trucks8%
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 Slack Road over Kent Run built?

It was built in 1900, making it 125 years old in 2025. It was reconstructed in 1951.

What condition is Slack Road over Kent Run in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in October 2024.

How much traffic does Slack Road over Kent Run carry?

About 240 vehicles per day (2015 count), of which roughly 8% are trucks.

How long is Slack Road over Kent Run?

The structure is 65 ft (19.8 m) long with a longest span of 62 ft (18.9 m) and a deck 19 ft wide.

Who owns Slack Road over Kent Run?

It is owned by the County Highway Agency.