US Bridges

SR 12 over Wolf Creek

Fair

Seneca County, Ohio · 0.31 Mi. North of SR 635 · Structure no. 7400276

Built
1955
70 years old
Condition
Fair
inspected April 2024
Type
Slab
Concrete Continuous
Length
132 ft
3 main spans
Daily traffic
3,920
2015 count
Owner
State
State Highway Agency

About this bridge

SR 12 over Wolf Creek is a concrete continuous slab carrying SR 12 over Wolf Creek in Seneca County, Ohio. It was built in 1955, so it is 70 years old, older than the Ohio average of 47.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 3,920 vehicles a day, roughly 18% of them trucks, projected to reach 5,441 by 2035. The structure is 132 ft (40.2 m) long and 40 ft wide. If it were closed, the detour would be 23 mi (37 km).

Location

Open in Google Maps
CarriesSR 12
CrossesWolf Creek
Location0.31 Mi. North of SR 635
RouteState Highway 12
CountySeneca County
StateOhio
Coordinates41.22505, -83.27522
Functional classRural Minor Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment9: Superior to present desirable criteria
Operating rating53.6 US tons
Inventory rating32.2 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 15
Structure length132 ft (40.2 m)
Longest span47 ft (14.3 m)
Deck width40 ft (12.2 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,920 (2015)
Projected traffic5,441 by 2035
Trucks18%
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 1955, making it 70 years old in 2025.

What condition is SR 12 over Wolf Creek in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in April 2024.

How much traffic does SR 12 over Wolf Creek carry?

About 3,920 vehicles per day (2015 count), of which roughly 18% are trucks.

How long is SR 12 over Wolf Creek?

The structure is 132 ft (40.2 m) long with a longest span of 47 ft (14.3 m) and a deck 40 ft wide.

Who owns SR 12 over Wolf Creek?

It is owned by the State Highway Agency.