US Bridges

Ridge Rd. over Ottawa River Ridge RD

Fair

Allen County, Ohio · 0.64 MI W of Gomer RD · Structure no. 0253901

Built
1998
27 years old
Condition
Fair
inspected June 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
161 ft
3 main spans
Daily traffic
215
2015 count
Owner
County
County Highway Agency

About this bridge

Ridge Rd. over Ottawa River Ridge RD is a prestressed concrete box beam or girders - multiple carrying Ridge Rd. over Ottawa River Ridge RD in Allen County, Ohio. It was built in 1998, so it is 27 years old, younger 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 215 vehicles a day, roughly 7% of them trucks, projected to reach 298 by 2035. The structure is 161 ft (49.1 m) long and 28 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesRidge Rd.
CrossesOttawa River Ridge RD
Location0.64 MI W of Gomer RD
RouteCounty Highway C0061
StateOhio
Coordinates40.8382, -84.19732
Functional classRural Local

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.
Substructure8 Very GoodNo problems noted.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment9: Superior to present desirable criteria
Operating rating74.3 US tons
Inventory rating44.3 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length161 ft (49.1 m)
Longest span55 ft (16.8 m)
Deck width28 ft (8.5 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic215 (2015)
Projected traffic298 by 2035
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 Rd. over Ottawa River Ridge RD built?

It was built in 1998, making it 27 years old in 2025.

What condition is Ridge Rd. over Ottawa River Ridge RD 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 June 2024.

How much traffic does Ridge Rd. over Ottawa River Ridge RD carry?

About 215 vehicles per day (2015 count), of which roughly 7% are trucks.

How long is Ridge Rd. over Ottawa River Ridge RD?

The structure is 161 ft (49.1 m) long with a longest span of 55 ft (16.8 m) and a deck 28 ft wide.

Who owns Ridge Rd. over Ottawa River Ridge RD?

It is owned by the County Highway Agency.