US Bridges

Old Route 35 over CSX Railroad

FairPosted for load

Ross County, Ohio · 8.50 Mi. N of Watson RD · Structure no. 7131658

Built
1937
88 years old, rebuilt 1978
Condition
Fair
inspected March 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
175 ft
3 main spans
Daily traffic
438
2018 count
Owner
County
County Highway Agency

About this bridge

Old Route 35 over CSX Railroad is a steel continuous stringer/multi-beam or girder carrying Old Route 35 over CSX Railroad in Ross County, Ohio. It was built in 1937 and reconstructed in 1978, so it is 88 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 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for load restriction.

It carries about 438 vehicles a day, roughly 9% of them trucks, projected to reach 608 by 2038. The structure is 175 ft (53.4 m) long and 33 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesOld Route 35
CrossesCSX Railroad
Location8.50 Mi. N of Watson RD
RouteCounty Highway C0035
StateOhio
Coordinates39.29587, -82.90973
Functional classRural Major Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionMarch 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating32.2 US tons
Inventory rating17.9 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadUnknown
Structure length175 ft (53.4 m)
Longest span62 ft (18.9 m)
Deck width33 ft (10.2 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic438 (2018)
Projected traffic608 by 2038
Trucks9%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesRailroad
Detour if closed5 mi (8 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 Old Route 35 over CSX Railroad built?

It was built in 1937, making it 88 years old in 2025. It was reconstructed in 1978.

What condition is Old Route 35 over CSX Railroad 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 March 2024.

How much traffic does Old Route 35 over CSX Railroad carry?

About 438 vehicles per day (2018 count), of which roughly 9% are trucks.

How long is Old Route 35 over CSX Railroad?

The structure is 175 ft (53.4 m) long with a longest span of 62 ft (18.9 m) and a deck 33 ft wide.

Who owns Old Route 35 over CSX Railroad?

It is owned by the County Highway Agency.