US Bridges

County RD 6 over Stillwater Creek

Fair

Harrison County, Ohio · 0.3 MI W of SR 800 · Structure no. 3431800

Built
1974
51 years old
Condition
Fair
inspected November 2024
Type
Slab
Concrete Continuous
Length
139 ft
3 main spans
Daily traffic
136
2015 count
Owner
County
County Highway Agency

About this bridge

County RD 6 over Stillwater Creek is a concrete continuous slab carrying County RD 6 over Stillwater Creek in Harrison County, Ohio. It was built in 1974, so it is 51 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 136 vehicles a day, roughly 7% of them trucks, projected to reach 189 by 2035. The structure is 139 ft (42.4 m) long and 35 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

Location

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CarriesCounty RD 6
CrossesStillwater Creek
Location0.3 MI W of SR 800
RouteCounty Highway 6
CountyHarrison County
StateOhio
Coordinates40.27, -81.29
Functional classRural Minor Collector

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.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
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 geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating45 US tons
Inventory rating36 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 20
Structure length139 ft (42.4 m)
Longest span53 ft (16.2 m)
Deck width35 ft (10.8 m)
Roadway width34 ft (10.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic136 (2015)
Projected traffic189 by 2035
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 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 County RD 6 over Stillwater Creek built?

It was built in 1974, making it 51 years old in 2025.

What condition is County RD 6 over Stillwater 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 County RD 6 over Stillwater Creek carry?

About 136 vehicles per day (2015 count), of which roughly 7% are trucks.

How long is County RD 6 over Stillwater Creek?

The structure is 139 ft (42.4 m) long with a longest span of 53 ft (16.2 m) and a deck 35 ft wide.

Who owns County RD 6 over Stillwater Creek?

It is owned by the County Highway Agency.