US Bridges

Mermill Road over N Br Portage Riv Mermill

Fair

Wood County, Ohio · 0.27 Ml E of Potter RD · Structure no. 8738688

Built
1950
75 years old, rebuilt 1970
Condition
Fair
inspected August 2024
Type
Truss - Thru
Steel
Length
85 ft
1 main span
Daily traffic
160
2015 count
Owner
County
County Highway Agency

About this bridge

Mermill Road over N Br Portage Riv Mermill is a steel truss - thru carrying Mermill Road over N Br Portage Riv Mermill in Wood County, Ohio. It was built in 1950 and reconstructed in 1970, so it is 75 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 5 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 160 vehicles a day, roughly 8% of them trucks, projected to reach 222 by 2035. The structure is 85 ft (25.9 m) long and 24 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesMermill Road
CrossesN Br Portage Riv Mermill
Location0.27 Ml E of Potter RD
RouteCounty Highway C028C
StateOhio
Coordinates41.2988, -83.74181
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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionAugust 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
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 rating53.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeTruss - Thru
MaterialSteel
DeckCorrugated steel
Main spans1
Design loadHS 15
Structure length85 ft (25.9 m)
Longest span80 ft (24.4 m)
Deck width24 ft (7.3 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic160 (2015)
Projected traffic222 by 2035
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 Mermill Road over N Br Portage Riv Mermill built?

It was built in 1950, making it 75 years old in 2025. It was reconstructed in 1970.

What condition is Mermill Road over N Br Portage Riv Mermill 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 August 2024.

How much traffic does Mermill Road over N Br Portage Riv Mermill carry?

About 160 vehicles per day (2015 count), of which roughly 8% are trucks.

How long is Mermill Road over N Br Portage Riv Mermill?

The structure is 85 ft (25.9 m) long with a longest span of 80 ft (24.4 m) and a deck 24 ft wide.

Who owns Mermill Road over N Br Portage Riv Mermill?

It is owned by the County Highway Agency.