US Bridges

US 23 over B&o RR

Fair

Ross County, Ohio · 0.45MI S of JCT US 35WB · Structure no. 7100604

Built
1972
53 years old
Condition
Fair
inspected October 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
245 ft
3 main spans
Daily traffic
9,406
2015 count
Owner
State
State Highway Agency

About this bridge

US 23 over B&o RR is a steel continuous stringer/multi-beam or girder carrying US 23 over B&o 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 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 9,406 vehicles a day, roughly 10% of them trucks, projected to reach 13,056 by 2035. The structure is 245 ft (74.7 m) long and 52 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

CarriesUS 23
CrossesB&o RR
Location0.45MI S of JCT US 35WB
RouteU.S. Route 23
StateOhio
Coordinates39.31812, -82.93971
Functional classUrban Principal Arterial - Other Freeway or Expressway

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.
Last inspectionOctober 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment7: Better than present minimum criteria
Operating rating48.2 US tons
Inventory rating37.1 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length245 ft (74.7 m)
Longest span94 ft (28.7 m)
Deck width52 ft (15.9 m)
Roadway width49 ft (14.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic9,406 (2015)
Projected traffic13,056 by 2035
Trucks10%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway
CrossesRailroad
Detour if closed8.1 mi (13 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 B&o RR built?

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

What condition is US 23 over B&o RR 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 October 2024.

How much traffic does US 23 over B&o RR carry?

About 9,406 vehicles per day (2015 count), of which roughly 10% are trucks.

How long is US 23 over B&o RR?

The structure is 245 ft (74.7 m) long with a longest span of 94 ft (28.7 m) and a deck 52 ft wide.

Who owns US 23 over B&o RR?

It is owned by the State Highway Agency.