Calvin Road over Silver Creek

Fair

Portage County, Ohio · 0.4 Mi. W of Ch 1250 · Structure no. 6735304

Built: 1970; 55 years old
Condition: Fair; inspected November 2024
Type: Slab; Concrete Continuous
Length: 93 ft; 3 main spans
Daily traffic: 477; 2015 count
Owner: County; County Highway Agency

About this bridge

Calvin Road over Silver Creek is a concrete continuous slab carrying Calvin Road over Silver Creek in Portage County, Ohio. It was built in 1970, so it is 55 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 477 vehicles a day, roughly 8% of them trucks, projected to reach 662 by 2042. The structure is 93 ft (28.3 m) long and 26 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

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CarriesCalvin Road

CrossesSilver Creek

Location0.4 Mi. W of Ch 1250

RouteCounty Highway C124A

CountyPortage County

StateOhio

Coordinates41.11889, -81.10583

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.

Component	Rating	Meaning
Deck	6 Satisfactory	Structural elements show some minor deterioration.
Superstructure	6 Satisfactory	Structural elements show some minor deterioration.
Substructure	7 Good	Some minor problems.
Channel and channel protection	8 Very Good	No problems noted.

Last inspectionNovember 2024

Inspection intervalevery 12 months

Operating statusOpen, no restriction

ScourFoundations stable; scour within limits of footing or piles

Structural evaluation6: Equal to present minimum criteria

Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is

Waterway adequacy6: Equal to present minimum criteria

Approach roadway alignment6: Equal to present minimum criteria

Operating rating46.4 US tons

Inventory rating28.5 US tons

Structure

Structure typeSlab

MaterialConcrete Continuous

DeckConcrete, cast-in-place

Main spans3

Design loadUnknown

Structure length93 ft (28.3 m)

Longest span35 ft (10.7 m)

Deck width26 ft (7.9 m)

Roadway width26 ft (7.9 m)

Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic477 (2015)

Projected traffic662 by 2042

Trucks8%

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 Calvin Road over Silver Creek built?

It was built in 1970, making it 55 years old in 2025.

What condition is Calvin Road over Silver 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 November 2024.

How much traffic does Calvin Road over Silver Creek carry?

About 477 vehicles per day (2015 count), of which roughly 8% are trucks.

How long is Calvin Road over Silver Creek?

The structure is 93 ft (28.3 m) long with a longest span of 35 ft (10.7 m) and a deck 26 ft wide.

Who owns Calvin Road over Silver Creek?

It is owned by the County Highway Agency.