US Bridges

SR 18 over Wolf Creek

Fair

Seneca County, Ohio · 0.33 Mi. East of SR 587 · Structure no. 7400454

Built
1940
85 years old, rebuilt 1972
Condition
Fair
inspected April 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
60 ft
1 main span
Daily traffic
3,168
2015 count
Owner
State
State Highway Agency

About this bridge

SR 18 over Wolf Creek is a steel stringer/multi-beam or girder carrying SR 18 over Wolf Creek in Seneca County, Ohio. It was built in 1940 and reconstructed in 1972, so it is 85 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 3,168 vehicles a day, roughly 7% of them trucks, projected to reach 4,397 by 2035. The structure is 60 ft (18.3 m) long and 33 ft wide. If it were closed, the detour would be 19.9 mi (32 km).

Location

Open in Google Maps
CarriesSR 18
CrossesWolf Creek
Location0.33 Mi. East of SR 587
RouteState Highway 18
CountySeneca County
StateOhio
Coordinates41.13658, -83.38781
Functional classUrban Other Principal 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 geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment9: Superior to present desirable criteria
Operating rating50 US tons
Inventory rating35.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadH 15
Structure length60 ft (18.3 m)
Longest span56 ft (17.1 m)
Deck width33 ft (10.2 m)
Roadway width33 ft (10.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,168 (2015)
Projected traffic4,397 by 2035
Trucks7%
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 1940, making it 85 years old in 2025. It was reconstructed in 1972.

What condition is SR 18 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 18 over Wolf Creek carry?

About 3,168 vehicles per day (2015 count), of which roughly 7% are trucks.

How long is SR 18 over Wolf Creek?

The structure is 60 ft (18.3 m) long with a longest span of 56 ft (17.1 m) and a deck 33 ft wide.

Who owns SR 18 over Wolf Creek?

It is owned by the State Highway Agency.