US Bridges

Four Mile House RD over Wolf Creek

Fair

Ottawa County, Ohio · 1.2 Mi. N. JCT CR6 · Structure no. 6241387

Built
1940
85 years old
Condition
Fair
inspected November 2024
Type
Slab
Concrete
Length
28 ft
1 main span
Daily traffic
324
2015 count
Owner
County
County Highway Agency

About this bridge

Four Mile House RD over Wolf Creek is a concrete slab carrying Four Mile House RD over Wolf Creek in Ottawa County, Ohio. It was built in 1940, 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 324 vehicles a day, roughly 7% of them trucks, projected to reach 450 by 2035. The structure is 28 ft (8.5 m) long and 27 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesFour Mile House RD
CrossesWolf Creek
Location1.2 Mi. N. JCT CR6
RouteCounty Highway T0041
CountyOttawa County
StateOhio
Coordinates41.49344, -83.1739
Functional classRural Local

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 protection7 GoodSome minor problems.
Last inspectionNovember 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating51.5 US tons
Inventory rating30.8 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadH 15
Structure length28 ft (8.5 m)
Longest span26 ft (7.9 m)
Deck width27 ft (8.2 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic324 (2015)
Projected traffic450 by 2035
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 Four Mile House RD over Wolf Creek built?

It was built in 1940, making it 85 years old in 2025.

What condition is Four Mile House RD 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 November 2024.

How much traffic does Four Mile House RD over Wolf Creek carry?

About 324 vehicles per day (2015 count), of which roughly 7% are trucks.

How long is Four Mile House RD over Wolf Creek?

The structure is 28 ft (8.5 m) long with a longest span of 26 ft (7.9 m) and a deck 27 ft wide.

Who owns Four Mile House RD over Wolf Creek?

It is owned by the County Highway Agency.