US Bridges

SR 18 over Wolf Creek

Good

Seneca County, Ohio · 550 Ft. East of TR 87 · Structure no. 7400519

Built
1959
66 years old, rebuilt 2019
Condition
Good
inspected July 2023
Type
Slab
Concrete Continuous
Length
60 ft
3 main spans
Daily traffic
3,168
2015 count
Owner
State
State Highway Agency

About this bridge

SR 18 over Wolf Creek is a concrete continuous slab carrying SR 18 over Wolf Creek in Seneca County, Ohio. It was built in 1959 and reconstructed in 2019, so it is 66 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 3,168 vehicles a day, roughly 9% of them trucks, projected to reach 4,397 by 2035. The structure is 60 ft (18.3 m) long and 40 ft wide. If it were closed, the detour would be 19.9 mi (32 km).

Location

Open in Google Maps
CarriesSR 18
CrossesWolf Creek
Location550 Ft. East of TR 87
RouteState Highway 18
CountySeneca County
StateOhio
Coordinates41.13478, -83.33201
Functional classRural Principal Arterial - Other

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 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 rating46.4 US tons
Inventory rating28.5 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 20
Structure length60 ft (18.3 m)
Longest span20 ft (6.1 m)
Deck width40 ft (12.2 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,168 (2015)
Projected traffic4,397 by 2035
Trucks9%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed19.9 mi (32 km)
TollOn a free road
National Highway SystemYes

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 18 over Wolf Creek built?

It was built in 1959, making it 66 years old in 2025. It was reconstructed in 2019.

What condition is SR 18 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 18 over Wolf Creek carry?

About 3,168 vehicles per day (2015 count), of which roughly 9% are trucks.

How long is SR 18 over Wolf Creek?

The structure is 60 ft (18.3 m) long with a longest span of 20 ft (6.1 m) and a deck 40 ft wide.

Who owns SR 18 over Wolf Creek?

It is owned by the State Highway Agency.