US Bridges

Township Road 109 over Unnamed Creek

Good

Logan County, Ohio · 0.05 Mi. East of CR 101 · Structure no. 4640195

Built
1990
35 years old
Condition
Good
inspected December 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
29 ft
1 main span
Daily traffic
51
2015 count
Owner
County
County Highway Agency

About this bridge

Township Road 109 over Unnamed Creek is a steel stringer/multi-beam or girder carrying Township Road 109 over Unnamed Creek in Logan County, Ohio. It was built in 1990, so it is 35 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.

It carries about 51 vehicles a day, roughly 8% of them trucks, projected to reach 71 by 2035. The structure is 29 ft (8.8 m) long and 24 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesTownship Road 109
CrossesUnnamed Creek
Location0.05 Mi. East of CR 101
RouteCounty Highway T0109
StateOhio
Coordinates40.46769, -83.73851
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure9 ExcellentNo problems noted.
Channel and channel protection9 ExcellentNo problems noted.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating52.5 US tons
Inventory rating31.4 US tons

Structure

MaterialSteel
DeckCorrugated steel
Main spans1
Design loadHL 93
Structure length29 ft (8.8 m)
Longest span28 ft (8.5 m)
Deck width24 ft (7.3 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic51 (2015)
Projected traffic71 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 Township Road 109 over Unnamed Creek built?

It was built in 1990, making it 35 years old in 2025.

What condition is Township Road 109 over Unnamed 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 December 2024.

How much traffic does Township Road 109 over Unnamed Creek carry?

About 51 vehicles per day (2015 count), of which roughly 8% are trucks.

How long is Township Road 109 over Unnamed Creek?

The structure is 29 ft (8.8 m) long with a longest span of 28 ft (8.5 m) and a deck 24 ft wide.

Who owns Township Road 109 over Unnamed Creek?

It is owned by the County Highway Agency.