US Bridges

Coffing RD over Granny Creek

Good

Knox County, Ohio · 0.1 MI N of CR 13 · Structure no. 4237065

Built
2023
2 years old
Condition
Good
inspected April 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
86 ft
1 main span
Daily traffic
351
2018 count
Owner
County
County Highway Agency

About this bridge

Coffing RD over Granny Creek is a prestressed concrete box beam or girders - multiple carrying Coffing RD over Granny Creek in Knox County, Ohio. It was built in 2023, so it is 2 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 351 vehicles a day, roughly 7% of them trucks, projected to reach 400 by 2042. The structure is 86 ft (26.2 m) long and 24 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesCoffing RD
CrossesGranny Creek
Location0.1 MI N of CR 13
RouteCounty Highway C0012
CountyKnox County
StateOhio
Coordinates40.42632, -82.53671
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.
Superstructure9 ExcellentNo problems noted.
Substructure9 ExcellentNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionApril 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation9: Superior to present desirable criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating71.4 US tons
Inventory rating41.8 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length86 ft (26.2 m)
Longest span84 ft (25.6 m)
Deck width24 ft (7.3 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic351 (2018)
Projected traffic400 by 2042
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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 Coffing RD over Granny Creek built?

It was built in 2023, making it 2 years old in 2025.

What condition is Coffing RD over Granny Creek 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 Coffing RD over Granny Creek carry?

About 351 vehicles per day (2018 count), of which roughly 7% are trucks.

How long is Coffing RD over Granny Creek?

The structure is 86 ft (26.2 m) long with a longest span of 84 ft (25.6 m) and a deck 24 ft wide.

Who owns Coffing RD over Granny Creek?

It is owned by the County Highway Agency.