US Bridges

Ridge Road over Huron River

Good

Huron County, Ohio · 0.2 MI South of Peru Olen · Structure no. 3937004

Built
2020
5 years old
Condition
Good
inspected November 2024
Type
Box Beam or Girders - Multiple
Concrete
Length
74 ft
1 main span
Daily traffic
200
2020 count
Owner
County
County Highway Agency

About this bridge

Ridge Road over Huron River is a concrete box beam or girders - multiple carrying Ridge Road over Huron River in Huron County, Ohio. It was built in 2020, so it is 5 years old, younger 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 9 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 200 vehicles a day, roughly 3% of them trucks, projected to reach 220 by 2040. The structure is 74 ft (22.6 m) long and 28 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesRidge Road
CrossesHuron River
Location0.2 MI South of Peru Olen
StateOhio
Coordinates41.15573, -82.6342
Functional classRural Local

Condition and inspection

Good

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

ComponentRatingMeaning
Deck9 ExcellentNo problems noted.
Superstructure9 ExcellentNo problems noted.
Substructure9 ExcellentNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation9: Superior to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment9: Superior to present desirable criteria
Operating rating71.4 US tons
Inventory rating53.6 US tons

Structure

MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length74 ft (22.6 m)
Longest span70 ft (21.3 m)
Deck width28 ft (8.5 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic200 (2020)
Projected traffic220 by 2040
Trucks3%
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

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 Ridge Road over Huron River built?

It was built in 2020, making it 5 years old in 2025.

What condition is Ridge Road over Huron River 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 November 2024.

How much traffic does Ridge Road over Huron River carry?

About 200 vehicles per day (2020 count), of which roughly 3% are trucks.

How long is Ridge Road over Huron River?

The structure is 74 ft (22.6 m) long with a longest span of 70 ft (21.3 m) and a deck 28 ft wide.

Who owns Ridge Road over Huron River?

It is owned by the County Highway Agency.