US Bridges

Mount Vernon Ave. over Center Run

Fair

Knox County, Ohio · 1.0 MI East of SR 13 · Structure no. 4232720

Built
1979
46 years old
Condition
Fair
inspected August 2024
Type
Slab
Concrete Continuous
Length
97 ft
3 main spans
Daily traffic
8,569
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

Mount Vernon Ave. over Center Run is a concrete continuous slab carrying Mount Vernon Ave. over Center Run in Knox County, Ohio. It was built in 1979, so it is 46 years old, younger 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 8,569 vehicles a day, roughly 7% of them trucks, projected to reach 11,362 by 2035. The structure is 97 ft (29.5 m) long and 40 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

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CarriesMount Vernon Ave.
CrossesCenter Run
Location1.0 MI East of SR 13
RouteCity Street 625
CountyKnox County
StateOhio
Coordinates40.3828, -82.46711
Functional classUrban Minor Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
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 adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating42.5 US tons
Inventory rating25.4 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length97 ft (29.5 m)
Longest span36 ft (11.1 m)
Deck width40 ft (12.1 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,569 (2023)
Projected traffic11,362 by 2035
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 Mount Vernon Ave. over Center Run built?

It was built in 1979, making it 46 years old in 2025.

What condition is Mount Vernon Ave. over Center 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 August 2024.

How much traffic does Mount Vernon Ave. over Center Run carry?

About 8,569 vehicles per day (2023 count), of which roughly 7% are trucks.

How long is Mount Vernon Ave. over Center Run?

The structure is 97 ft (29.5 m) long with a longest span of 36 ft (11.1 m) and a deck 40 ft wide.

Who owns Mount Vernon Ave. over Center Run?

It is owned by the City or Municipal Highway Agency.