US Bridges

US 35 over CO RD 550

Fair

Ross County, Ohio · 1.89MI W of SR 104 · Structure no. 7101805

Built
1963
62 years old
Condition
Fair
inspected October 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
128 ft
3 main spans
Daily traffic
6,125
2015 count
Owner
State
State Highway Agency

About this bridge

US 35 over CO RD 550 is a steel continuous stringer/multi-beam or girder carrying US 35 over CO RD 550 in Ross County, Ohio. It was built in 1963, so it is 62 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 6,125 vehicles a day, roughly 16% of them trucks, projected to reach 8,502 by 2035. The structure is 128 ft (39 m) long and 42 ft wide. If it were closed, the detour would be 11.2 mi (18 km).

Location

Open in Google Maps
CarriesUS 35
CrossesCO RD 550
Location1.89MI W of SR 104
RouteU.S. Route 35
CountyRoss County
StateOhio
Coordinates39.36927, -83.0242
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.
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 geometry6: Equal to present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating52.9 US tons
Inventory rating40.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 20
Structure length128 ft (39 m)
Longest span44 ft (13.4 m)
Deck width42 ft (12.8 m)
Roadway width38 ft (11.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,125 (2015)
Projected traffic8,502 by 2035
Trucks16%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed11.2 mi (18 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 CO RD 550 built?

It was built in 1963, making it 62 years old in 2025.

What condition is US 35 over CO RD 550 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 CO RD 550 carry?

About 6,125 vehicles per day (2015 count), of which roughly 16% are trucks.

How long is US 35 over CO RD 550?

The structure is 128 ft (39 m) long with a longest span of 44 ft (13.4 m) and a deck 42 ft wide.

Who owns US 35 over CO RD 550?

It is owned by the State Highway Agency.