US Bridges

Old Route 35 over Walnut Creek

Fair

Ross County, Ohio · 3.26 Mi. N of Watson RD · Structure no. 7131585

Built
1936
89 years old, rebuilt 1980
Condition
Fair
inspected March 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
113 ft
2 main spans
Daily traffic
1,148
2018 count
Owner
County
County Highway Agency

About this bridge

Old Route 35 over Walnut Creek is a steel continuous stringer/multi-beam or girder carrying Old Route 35 over Walnut Creek in Ross County, Ohio. It was built in 1936 and reconstructed in 1980, so it is 89 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 1,148 vehicles a day, roughly 9% of them trucks, projected to reach 1,593 by 2038. The structure is 113 ft (34.4 m) long and 40 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesOld Route 35
CrossesWalnut Creek
Location3.26 Mi. N of Watson RD
RouteCounty Highway C0035
StateOhio
Coordinates39.23159, -82.85864
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating100 US tons
Inventory rating60.7 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20 + Mod
Structure length113 ft (34.4 m)
Longest span53 ft (16.2 m)
Deck width40 ft (12.2 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,148 (2018)
Projected traffic1,593 by 2038
Trucks9%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
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—
NavigationNo navigation control on waterway

Frequently asked questions

When was Old Route 35 over Walnut Creek built?

It was built in 1936, making it 89 years old in 2025. It was reconstructed in 1980.

What condition is Old Route 35 over Walnut Creek 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 Walnut Creek carry?

About 1,148 vehicles per day (2018 count), of which roughly 9% are trucks.

How long is Old Route 35 over Walnut Creek?

The structure is 113 ft (34.4 m) long with a longest span of 53 ft (16.2 m) and a deck 40 ft wide.

Who owns Old Route 35 over Walnut Creek?

It is owned by the County Highway Agency.