US Bridges

County RD 83 over Walnut Run

Fair

Madison County, Ohio · 1.77MI. N of Mad Higgins · Structure no. 4930347

Built
1969
56 years old
Condition
Fair
inspected December 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
46 ft
1 main span
Daily traffic
145
2015 count
Owner
County
County Highway Agency

About this bridge

County RD 83 over Walnut Run is a prestressed concrete box beam or girders - multiple carrying County RD 83 over Walnut Run in Madison 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 5 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 145 vehicles a day, roughly 7% of them trucks, projected to reach 201 by 2035. The structure is 46 ft (14 m) long and 21 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Location

Open in Google Maps
CarriesCounty RD 83
CrossesWalnut Run
Location1.77MI. N of Mad Higgins
RouteCounty Highway 83
CountyMadison County
StateOhio
Coordinates39.84231, -83.42303
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.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionDecember 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating82.1 US tons
Inventory rating64.3 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadH 15
Structure length46 ft (14 m)
Longest span43 ft (13.1 m)
Deck width21 ft (6.5 m)
Roadway width21 ft (6.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic145 (2015)
Projected traffic201 by 2035
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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 83 over Walnut Run built?

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

What condition is County RD 83 over Walnut Run 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 December 2024.

How much traffic does County RD 83 over Walnut Run carry?

About 145 vehicles per day (2015 count), of which roughly 7% are trucks.

How long is County RD 83 over Walnut Run?

The structure is 46 ft (14 m) long with a longest span of 43 ft (13.1 m) and a deck 21 ft wide.

Who owns County RD 83 over Walnut Run?

It is owned by the County Highway Agency.