US Bridges

SR 303 over Vermilion River

Fair

Huron County, Ohio · 1.39 Miles East of SR 60 · Structure no. 3904083

Built
1954
71 years old
Condition
Fair
inspected March 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
214 ft
3 main spans
Daily traffic
967
2015 count
Owner
State
State Highway Agency

About this bridge

SR 303 over Vermilion River is a steel continuous stringer/multi-beam or girder carrying SR 303 over Vermilion River in Huron County, Ohio. It was built in 1954, so it is 71 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 967 vehicles a day, roughly 12% of them trucks, projected to reach 1,342 by 2035. The structure is 214 ft (65.2 m) long and 28 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesSR 303
CrossesVermilion River
Location1.39 Miles East of SR 60
RouteState Highway 303
CountyHuron County
StateOhio
Coordinates41.23966, -82.37501
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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating46.4 US tons
Inventory rating28.5 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 15
Structure length214 ft (65.2 m)
Longest span80 ft (24.4 m)
Deck width28 ft (8.4 m)
Roadway width27 ft (8.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic967 (2015)
Projected traffic1,342 by 2035
Trucks12%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 SR 303 over Vermilion River built?

It was built in 1954, making it 71 years old in 2025.

What condition is SR 303 over Vermilion River 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 SR 303 over Vermilion River carry?

About 967 vehicles per day (2015 count), of which roughly 12% are trucks.

How long is SR 303 over Vermilion River?

The structure is 214 ft (65.2 m) long with a longest span of 80 ft (24.4 m) and a deck 28 ft wide.

Who owns SR 303 over Vermilion River?

It is owned by the State Highway Agency.