US Bridges

US 23 over Big Walnut CR

Fair

Franklin County, Ohio · 1.8 MI S of SR 665 · Structure no. 2500515

Built
1949
76 years old
Condition
Fair
inspected February 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
345 ft
4 main spans
Daily traffic
16,217
2018 count
Owner
State
State Highway Agency

About this bridge

US 23 over Big Walnut CR is a steel continuous stringer/multi-beam or girder carrying US 23 over Big Walnut CR in Franklin County, Ohio. It was built in 1949, so it is 76 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 16,217 vehicles a day, roughly 3% of them trucks, projected to reach 22,509 by 2038. The structure is 345 ft (105.2 m) long and 30 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesUS 23
CrossesBig Walnut CR
Location1.8 MI S of SR 665
RouteU.S. Route 23
CountyFranklin County
StateOhio
Coordinates39.80674, -82.99443
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 protection7 GoodSome minor problems.
Last inspectionFebruary 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating46.4 US tons
Inventory rating35.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length345 ft (105.2 m)
Longest span95 ft (29 m)
Deck width30 ft (9.1 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic16,217 (2018)
Projected traffic22,509 by 2038
Trucks3%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 US 23 over Big Walnut CR built?

It was built in 1949, making it 76 years old in 2025.

What condition is US 23 over Big Walnut CR 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 February 2024.

How much traffic does US 23 over Big Walnut CR carry?

About 16,217 vehicles per day (2018 count), of which roughly 3% are trucks.

How long is US 23 over Big Walnut CR?

The structure is 345 ft (105.2 m) long with a longest span of 95 ft (29 m) and a deck 30 ft wide.

Who owns US 23 over Big Walnut CR?

It is owned by the State Highway Agency.