US Bridges

County Road 20 over L Muskingum * Cornervill

Good

Washington County, Ohio · .01 MI SE of JCT CO RD 9 · Structure no. 8430520

Built
2021
4 years old
Condition
Good
inspected April 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
244 ft
3 main spans
Daily traffic
780
2022 count
Owner
County
County Highway Agency

About this bridge

County Road 20 over L Muskingum * Cornervill is a steel stringer/multi-beam or girder carrying County Road 20 over L Muskingum * Cornervill in Washington County, Ohio. It was built in 2021, so it is 4 years old, younger than the Ohio average of 47.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 9 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 780 vehicles a day, roughly 4% of them trucks, projected to reach 960 by 2040. The structure is 244 ft (74.4 m) long and 30 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Location

Open in Google Maps
CarriesCounty Road 20
CrossesL Muskingum * Cornervill
Location.01 MI SE of JCT CO RD 9
RouteCounty Highway C0020
CountyWashington County
StateOhio
Coordinates39.3949, -81.3753
Functional classUrban Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck9 ExcellentNo problems noted.
Superstructure9 ExcellentNo problems noted.
Substructure9 ExcellentNo problems noted.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation9: Superior to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating51.5 US tons
Inventory rating39.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadHL 93
Structure length244 ft (74.4 m)
Longest span99 ft (30.1 m)
Deck width30 ft (9.1 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic780 (2022)
Projected traffic960 by 2040
Trucks4%
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 County Road 20 over L Muskingum * Cornervill built?

It was built in 2021, making it 4 years old in 2025.

What condition is County Road 20 over L Muskingum * Cornervill in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in April 2024.

How much traffic does County Road 20 over L Muskingum * Cornervill carry?

About 780 vehicles per day (2022 count), of which roughly 4% are trucks.

How long is County Road 20 over L Muskingum * Cornervill?

The structure is 244 ft (74.4 m) long with a longest span of 99 ft (30.1 m) and a deck 30 ft wide.

Who owns County Road 20 over L Muskingum * Cornervill?

It is owned by the County Highway Agency.