US Bridges

Millwood Road over Kokosing River

PoorPosted for load

Knox County, Ohio · Junction of Endsley Road · Structure no. 4237439

Built
1900
125 years old, rebuilt 1940
Condition
Poor
inspected October 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
188 ft
4 main spans
Daily traffic
355
2015 count
Owner
County
County Highway Agency

About this bridge

Millwood Road over Kokosing River is a steel stringer/multi-beam or girder carrying Millwood Road over Kokosing River in Knox County, Ohio. It was built in 1900 and reconstructed in 1940, 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 4 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 355 vehicles a day, roughly 8% of them trucks, projected to reach 493 by 2035. The structure is 188 ft (57.3 m) long and 20 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesMillwood Road
CrossesKokosing River
LocationJunction of Endsley Road
RouteCounty Highway 605
StateOhio
Coordinates40.39718, -82.2783
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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating25 US tons
Inventory rating14.3 US tons

Structure

MaterialSteel
DeckWood or timber
Main spans4
Design loadUnknown
Structure length188 ft (57.3 m)
Longest span50 ft (15.2 m)
Deck width20 ft (6.2 m)
Roadway width20 ft (6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic355 (2015)
Projected traffic493 by 2035
Trucks8%
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 Millwood Road over Kokosing River built?

It was built in 1900, making it 125 years old in 2025. It was reconstructed in 1940.

What condition is Millwood Road over Kokosing River 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 Millwood Road over Kokosing River carry?

About 355 vehicles per day (2015 count), of which roughly 8% are trucks.

How long is Millwood Road over Kokosing River?

The structure is 188 ft (57.3 m) long with a longest span of 50 ft (15.2 m) and a deck 20 ft wide.

Who owns Millwood Road over Kokosing River?

It is owned by the County Highway Agency.