US Bridges

Township Road 179 over Scioto River

Good

Hardin County, Ohio · Jct. of Twp. Rd. 140 · Structure no. 3345742

Built
1999
26 years old
Condition
Good
inspected August 2024
Type
Truss - Thru
Steel
Length
192 ft
1 main span
Daily traffic
951
2015 count
Owner
County
County Highway Agency

About this bridge

Township Road 179 over Scioto River is a steel truss - thru carrying Township Road 179 over Scioto River in Hardin County, Ohio. It was built in 1999, so it is 26 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 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 951 vehicles a day, roughly 5% of them trucks, projected to reach 1,320 by 2035. The structure is 192 ft (58.5 m) long and 24 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesTownship Road 179
CrossesScioto River
LocationJct. of Twp. Rd. 140
RouteCounty Highway 179
StateOhio
Coordinates40.63314, -83.56173
Functional classUrban 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.
Superstructure9 ExcellentNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating53.6 US tons
Inventory rating28.5 US tons

Structure

Structure typeTruss - Thru
MaterialSteel
DeckCorrugated steel
Main spans1 (+2 approach)
Design loadHS 20
Structure length192 ft (58.5 m)
Longest span150 ft (45.7 m)
Deck width24 ft (7.3 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic951 (2015)
Projected traffic1,320 by 2035
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 179 over Scioto River built?

It was built in 1999, making it 26 years old in 2025.

What condition is Township Road 179 over Scioto 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 August 2024.

How much traffic does Township Road 179 over Scioto River carry?

About 951 vehicles per day (2015 count), of which roughly 5% are trucks.

How long is Township Road 179 over Scioto River?

The structure is 192 ft (58.5 m) long with a longest span of 150 ft (45.7 m) and a deck 24 ft wide.

Who owns Township Road 179 over Scioto River?

It is owned by the County Highway Agency.