US Bridges

C.R. 105 over South Fork of Great Miam

Good

Logan County, Ohio · 0.25 Mi. East of C.R. 39 · Structure no. 4639804

Built
2011
14 years old
Condition
Good
inspected November 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
78 ft
1 main span
Daily traffic
308
2015 count
Owner
County
County Highway Agency

About this bridge

C.R. 105 over South Fork of Great Miam is a prestressed concrete box beam or girders - multiple carrying C.R. 105 over South Fork of Great Miam in Logan County, Ohio. It was built in 2011, so it is 14 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 308 vehicles a day, roughly 8% of them trucks, projected to reach 428 by 2035. The structure is 78 ft (23.8 m) long and 24 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesC.R. 105
CrossesSouth Fork of Great Miam
Location0.25 Mi. East of C.R. 39
RouteCounty Highway C0105
StateOhio
Coordinates40.48, -83.77167
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 protection9 ExcellentNo problems noted.
Last inspectionNovember 2023
Inspection intervalevery 24 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 adequacy9: Superior to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating68.6 US tons
Inventory rating52.9 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length78 ft (23.8 m)
Longest span75 ft (22.9 m)
Deck width24 ft (7.3 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic308 (2015)
Projected traffic428 by 2035
Trucks8%
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 C.R. 105 over South Fork of Great Miam built?

It was built in 2011, making it 14 years old in 2025.

What condition is C.R. 105 over South Fork of Great Miam 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 November 2023.

How much traffic does C.R. 105 over South Fork of Great Miam carry?

About 308 vehicles per day (2015 count), of which roughly 8% are trucks.

How long is C.R. 105 over South Fork of Great Miam?

The structure is 78 ft (23.8 m) long with a longest span of 75 ft (22.9 m) and a deck 24 ft wide.

Who owns C.R. 105 over South Fork of Great Miam?

It is owned by the County Highway Agency.