US Bridges

Townline 12 over Twnln 12 / W Br Huron Rv

Good

Huron County, Ohio · .7 M West of Walnut RD · Structure no. 3946363

Built
2002
23 years old
Condition
Good
inspected December 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
108 ft
1 main span
Daily traffic
507
2015 count
Owner
County
County Highway Agency

About this bridge

Townline 12 over Twnln 12 / W Br Huron Rv is a prestressed concrete box beam or girders - multiple carrying Townline 12 over Twnln 12 / W Br Huron Rv in Huron County, Ohio. It was built in 2002, so it is 23 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 507 vehicles a day, roughly 7% of them trucks, projected to reach 704 by 2035. The structure is 108 ft (32.9 m) long and 28 ft wide. If it were closed, the detour would be 13 mi (21 km).

CarriesTownline 12
CrossesTwnln 12 / W Br Huron Rv
Location.7 M West of Walnut RD
RouteCounty Highway C0012
StateOhio
Coordinates41.06817, -82.65402
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 protection7 GoodSome minor problems.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations on dry land well above flood water elevations
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment9: Superior to present desirable criteria
Operating rating44 US tons
Inventory rating16.8 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length108 ft (32.9 m)
Longest span105 ft (32 m)
Deck width28 ft (8.6 m)
Roadway width28 ft (8.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic507 (2015)
Projected traffic704 by 2035
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed13 mi (21 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 Townline 12 over Twnln 12 / W Br Huron Rv built?

It was built in 2002, making it 23 years old in 2025.

What condition is Townline 12 over Twnln 12 / W Br Huron Rv 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 Townline 12 over Twnln 12 / W Br Huron Rv carry?

About 507 vehicles per day (2015 count), of which roughly 7% are trucks.

How long is Townline 12 over Twnln 12 / W Br Huron Rv?

The structure is 108 ft (32.9 m) long with a longest span of 105 ft (32 m) and a deck 28 ft wide.

Who owns Townline 12 over Twnln 12 / W Br Huron Rv?

It is owned by the County Highway Agency.