US Bridges

State Route 321 over East Fork White Oak Crk

Good

Highland County, Ohio · 2.87 MI W of US 62 · Structure no. 3603873

Built
1948
77 years old, rebuilt 2000
Condition
Good
inspected May 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
172 ft
3 main spans
Daily traffic
1,621
2015 count
Owner
State
State Highway Agency

About this bridge

State Route 321 over East Fork White Oak Crk is a steel continuous stringer/multi-beam or girder carrying State Route 321 over East Fork White Oak Crk in Highland County, Ohio. It was built in 1948 and reconstructed in 2000, so it is 77 years old, older than the Ohio average of 47.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 1,621 vehicles a day, roughly 8% of them trucks, projected to reach 2,250 by 2035. The structure is 172 ft (52.4 m) long and 30 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

CarriesState Route 321
CrossesEast Fork White Oak Crk
Location2.87 MI W of US 62
RouteState Highway 321
StateOhio
Coordinates39.03713, -83.74041
Functional classRural Major Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating46.4 US tons
Inventory rating35.7 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length172 ft (52.4 m)
Longest span63 ft (19.2 m)
Deck width30 ft (9.1 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,621 (2015)
Projected traffic2,250 by 2035
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed9.9 mi (16 km)
TollOn a free road
National Highway SystemNo

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—
NavigationNo navigation control on waterway

Frequently asked questions

When was State Route 321 over East Fork White Oak Crk built?

It was built in 1948, making it 77 years old in 2025. It was reconstructed in 2000.

What condition is State Route 321 over East Fork White Oak Crk in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in May 2024.

How much traffic does State Route 321 over East Fork White Oak Crk carry?

About 1,621 vehicles per day (2015 count), of which roughly 8% are trucks.

How long is State Route 321 over East Fork White Oak Crk?

The structure is 172 ft (52.4 m) long with a longest span of 63 ft (19.2 m) and a deck 30 ft wide.

Who owns State Route 321 over East Fork White Oak Crk?

It is owned by the State Highway Agency.