US Bridges

US 23 over SR 104 & N&w RR

Good

Ross County, Ohio · 2.3MI S of JCT US 35WB · Structure no. 7100337

Built
1972
53 years old
Condition
Good
inspected October 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
335 ft
5 main spans
Daily traffic
9,441
2015 count
Owner
State
State Highway Agency

About this bridge

US 23 over SR 104 & N&w RR is a steel continuous stringer/multi-beam or girder carrying US 23 over SR 104 & N&w RR in Ross County, Ohio. It was built in 1972, so it is 53 years old, older than the Ohio average of 47.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 9,441 vehicles a day, roughly 10% of them trucks, projected to reach 13,104 by 2035. The structure is 335 ft (102.1 m) long and 52 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesUS 23
CrossesSR 104 & N&w RR
Location2.3MI S of JCT US 35WB
RouteU.S. Route 23
CountyRoss County
StateOhio
Coordinates39.29182, -82.94543
Functional classRural Principal Arterial - Other

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment7: Better than present minimum criteria
Operating rating40.7 US tons
Inventory rating31.4 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans5
Design loadHS 20
Structure length335 ft (102.1 m)
Longest span89 ft (27.1 m)
Deck width52 ft (15.9 m)
Roadway width48 ft (14.6 m)
Vertical clearance over deck16 ft (4.8 m)

Traffic and service

Average daily traffic9,441 (2015)
Projected traffic13,104 by 2035
Trucks10%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway and railroad
Detour if closed5 mi (8 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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was US 23 over SR 104 & N&w RR built?

It was built in 1972, making it 53 years old in 2025.

What condition is US 23 over SR 104 & N&w RR in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in October 2024.

How much traffic does US 23 over SR 104 & N&w RR carry?

About 9,441 vehicles per day (2015 count), of which roughly 10% are trucks.

How long is US 23 over SR 104 & N&w RR?

The structure is 335 ft (102.1 m) long with a longest span of 89 ft (27.1 m) and a deck 52 ft wide.

Who owns US 23 over SR 104 & N&w RR?

It is owned by the State Highway Agency.