US Bridges

County Road 259 over Yellow Slough

Fair

Sandusky County, Ohio · 1 Mile East of TR 202 · Structure no. 7240082

Built
1969
56 years old
Condition
Fair
inspected November 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete Continuous
Length
85 ft
3 main spans
Daily traffic
477
2015 count
Owner
County
County Highway Agency

About this bridge

County Road 259 over Yellow Slough is a prestressed concrete continuous box beam or girders - multiple carrying County Road 259 over Yellow Slough in Sandusky County, Ohio. It was built in 1969, so it is 56 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 477 vehicles a day, roughly 8% of them trucks, projected to reach 662 by 2035. The structure is 85 ft (25.9 m) long and 28 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesCounty Road 259
CrossesYellow Slough
Location1 Mile East of TR 202
RouteCounty Highway 259
CountySandusky County
StateOhio
Coordinates41.42167, -83.035
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
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 adequacy6: Equal to present minimum criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating60.7 US tons
Inventory rating39.2 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 15
Structure length85 ft (25.9 m)
Longest span28 ft (8.5 m)
Deck width28 ft (8.6 m)
Roadway width28 ft (8.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic477 (2015)
Projected traffic662 by 2035
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 Road 259 over Yellow Slough built?

It was built in 1969, making it 56 years old in 2025.

What condition is County Road 259 over Yellow Slough 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 Road 259 over Yellow Slough carry?

About 477 vehicles per day (2015 count), of which roughly 8% are trucks.

How long is County Road 259 over Yellow Slough?

The structure is 85 ft (25.9 m) long with a longest span of 28 ft (8.5 m) and a deck 28 ft wide.

Who owns County Road 259 over Yellow Slough?

It is owned by the County Highway Agency.