US Bridges

SR 12 over Wolf Creek

Good

Seneca County, Ohio · 0.28 Mi. N. of SR 590 · Structure no. 7400330

Built
1968
57 years old
Condition
Good
inspected July 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
238 ft
4 main spans
Daily traffic
3,247
2015 count
Owner
State
State Highway Agency

About this bridge

SR 12 over Wolf Creek is a steel continuous stringer/multi-beam or girder carrying SR 12 over Wolf Creek in Seneca County, Ohio. It was built in 1968, so it is 57 years old, older 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 3,247 vehicles a day, roughly 20% of them trucks, projected to reach 4,507 by 2035. The structure is 238 ft (72.5 m) long and 44 ft wide. If it were closed, the detour would be 23 mi (37 km).

Location

Open in Google Maps
CarriesSR 12
CrossesWolf Creek
Location0.28 Mi. N. of SR 590
RouteState Highway 12
CountySeneca County
StateOhio
Coordinates41.24932, -83.23013
Functional classRural Minor Arterial

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.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment9: Superior to present desirable criteria
Operating rating46.1 US tons
Inventory rating35.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadH 20
Structure length238 ft (72.5 m)
Longest span61 ft (18.6 m)
Deck width44 ft (13.4 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,247 (2015)
Projected traffic4,507 by 2035
Trucks20%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed23 mi (37 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 SR 12 over Wolf Creek built?

It was built in 1968, making it 57 years old in 2025.

What condition is SR 12 over Wolf 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 July 2023.

How much traffic does SR 12 over Wolf Creek carry?

About 3,247 vehicles per day (2015 count), of which roughly 20% are trucks.

How long is SR 12 over Wolf Creek?

The structure is 238 ft (72.5 m) long with a longest span of 61 ft (18.6 m) and a deck 44 ft wide.

Who owns SR 12 over Wolf Creek?

It is owned by the State Highway Agency.