US Bridges

US 35 over S.B. US 23

Fair

Ross County, Ohio · 0.71MI E of SR 159 · Structure no. 7102194

Built
1968
57 years old
Condition
Fair
inspected October 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
240 ft
3 main spans
Daily traffic
18,912
2015 count
Owner
State
State Highway Agency

About this bridge

US 35 over S.B. US 23 is a steel continuous stringer/multi-beam or girder carrying US 35 over S.B. US 23 in Ross County, Ohio. It was built in 1968, so it is 57 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 18,912 vehicles a day, roughly 20% of them trucks, projected to reach 26,250 by 2035. The structure is 240 ft (73.2 m) long and 37 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesUS 35
CrossesS.B. US 23
Location0.71MI E of SR 159
RouteU.S. Route 35
CountyRoss County
StateOhio
Coordinates39.34981, -82.96362
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
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 rating49.6 US tons
Inventory rating38.3 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 20
Structure length240 ft (73.2 m)
Longest span89 ft (27.1 m)
Deck width37 ft (11.3 m)
Roadway width34 ft (10.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic18,912 (2015)
Projected traffic26,250 by 2035
Trucks20%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
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 35 over S.B. US 23 built?

It was built in 1968, making it 57 years old in 2025.

What condition is US 35 over S.B. US 23 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 35 over S.B. US 23 carry?

About 18,912 vehicles per day (2015 count), of which roughly 20% are trucks.

How long is US 35 over S.B. US 23?

The structure is 240 ft (73.2 m) long with a longest span of 89 ft (27.1 m) and a deck 37 ft wide.

Who owns US 35 over S.B. US 23?

It is owned by the State Highway Agency.