US Bridges

Grange Road over Trib. N. Br. Kokosing

GoodPosted for load

Knox County, Ohio · 0.2 MI South of Blair RD · Structure no. 4236572

Built
1979
46 years old
Condition
Good
inspected October 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
61 ft
2 main spans
Daily traffic
209
2015 count
Owner
County
County Highway Agency

About this bridge

Grange Road over Trib. N. Br. Kokosing is a steel stringer/multi-beam or girder carrying Grange Road over Trib. N. Br. Kokosing 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 good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. Its operating status is: posted for load restriction.

It carries about 209 vehicles a day, roughly 7% of them trucks, projected to reach 290 by 2035. The structure is 61 ft (18.6 m) long and 19 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesGrange Road
CrossesTrib. N. Br. Kokosing
Location0.2 MI South of Blair RD
RouteCounty Highway 370
StateOhio
Coordinates40.51152, -82.60487
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
Deck9 ExcellentNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionOctober 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation6: Equal to present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating32.2 US tons
Inventory rating25 US tons

Structure

MaterialSteel
DeckWood or timber
Main spans2
Design loadUnknown
Structure length61 ft (18.6 m)
Longest span29 ft (8.8 m)
Deck width19 ft (5.7 m)
Roadway width18 ft (5.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic209 (2015)
Projected traffic290 by 2035
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 Grange Road over Trib. N. Br. Kokosing built?

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

What condition is Grange Road over Trib. N. Br. Kokosing 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 October 2024.

How much traffic does Grange Road over Trib. N. Br. Kokosing carry?

About 209 vehicles per day (2015 count), of which roughly 7% are trucks.

How long is Grange Road over Trib. N. Br. Kokosing?

The structure is 61 ft (18.6 m) long with a longest span of 29 ft (8.8 m) and a deck 19 ft wide.

Who owns Grange Road over Trib. N. Br. Kokosing?

It is owned by the County Highway Agency.