US Bridges

C99 (frysinger Rd) over St. Marys River

Good

Mercer County, Ohio · 1.18 MI N of US33 · Structure no. 5437598

Built
2009
16 years old
Condition
Good
inspected November 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
180 ft
2 main spans
Daily traffic
151
2015 count
Owner
County
County Highway Agency

About this bridge

C99 (frysinger Rd) over St. Marys River is a prestressed concrete box beam or girders - multiple carrying C99 (frysinger Rd) over St. Marys River in Mercer County, Ohio. It was built in 2009, so it is 16 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 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 151 vehicles a day, roughly 8% of them trucks, projected to reach 210 by 2035. The structure is 180 ft (54.9 m) long and 32 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesC99 (frysinger Rd)
CrossesSt. Marys River
Location1.18 MI N of US33
RouteCounty Highway C0099
StateOhio
Coordinates40.69016, -84.61261
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Channel and channel protection9 ExcellentNo problems noted.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating71.4 US tons
Inventory rating53.6 US tons

Structure

MaterialPrestressed Concrete
DeckOther
Main spans2
Design loadHS 25 or greater
Structure length180 ft (54.9 m)
Longest span88 ft (26.8 m)
Deck width32 ft (9.8 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic151 (2015)
Projected traffic210 by 2035
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 C99 (frysinger Rd) over St. Marys River built?

It was built in 2009, making it 16 years old in 2025.

What condition is C99 (frysinger Rd) over St. Marys 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 C99 (frysinger Rd) over St. Marys River carry?

About 151 vehicles per day (2015 count), of which roughly 8% are trucks.

How long is C99 (frysinger Rd) over St. Marys River?

The structure is 180 ft (54.9 m) long with a longest span of 88 ft (26.8 m) and a deck 32 ft wide.

Who owns C99 (frysinger Rd) over St. Marys River?

It is owned by the County Highway Agency.