US Bridges

Montgomery RD over N Branch Kokosing River

Good

Knox County, Ohio · 0.2 MI East of CR 6 · Structure no. 4234383

Built
1900
125 years old
Condition
Good
inspected September 2024
Type
Truss - Thru
Steel
Length
130 ft
1 main span
Daily traffic
118
2015 count
Owner
County
County Highway Agency

About this bridge

Montgomery RD over N Branch Kokosing River is a steel truss - thru carrying Montgomery RD over N Branch Kokosing River in Knox County, Ohio. It was built in 1900, 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 good condition with a lowest component rating of 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 118 vehicles a day, roughly 8% of them trucks, projected to reach 164 by 2042. The structure is 130 ft (39.6 m) long and 26 ft wide.

CarriesMontgomery RD
CrossesN Branch Kokosing River
Location0.2 MI East of CR 6
RouteCounty Highway 66
StateOhio
Coordinates40.47853, -82.5327
Functional classRural Local

Condition and inspection

Good

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

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionSeptember 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating46.4 US tons
Inventory rating35.7 US tons

Structure

Structure typeTruss - Thru
MaterialSteel
DeckCorrugated steel
Main spans1
Design loadHS 20
Structure length130 ft (39.6 m)
Longest span129 ft (39.3 m)
Deck width26 ft (7.9 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic118 (2015)
Projected traffic164 by 2042
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
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 Montgomery RD over N Branch Kokosing River built?

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

What condition is Montgomery RD over N Branch Kokosing River 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 September 2024.

How much traffic does Montgomery RD over N Branch Kokosing River carry?

About 118 vehicles per day (2015 count), of which roughly 8% are trucks.

How long is Montgomery RD over N Branch Kokosing River?

The structure is 130 ft (39.6 m) long with a longest span of 129 ft (39.3 m) and a deck 26 ft wide.

Who owns Montgomery RD over N Branch Kokosing River?

It is owned by the County Highway Agency.