US Bridges

C-703A over Spillway at Grand Lake

Fair

Mercer County, Ohio · .5 MI North Monroe RD · Structure no. 5448360

Built
1997
28 years old
Condition
Fair
inspected November 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
83 ft
1 main span
Daily traffic
330
2015 count
Owner
State
State Park, Forest, or Reservation Agency

About this bridge

C-703A over Spillway at Grand Lake is a prestressed concrete box beam or girders - multiple carrying C-703A over Spillway at Grand Lake in Mercer County, Ohio. It was built in 1997, so it is 28 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 330 vehicles a day, roughly 5% of them trucks, projected to reach 458 by 2035. The structure is 83 ft (25.3 m) long and 36 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesC-703A
CrossesSpillway at Grand Lake
Location.5 MI North Monroe RD
RouteCounty Highway 119
CountyMercer County
StateOhio
Coordinates40.53452, -84.57414
Functional classUrban 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.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionNovember 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourFoundations on dry land well above flood water elevations
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment9: Superior to present desirable criteria
Operating rating68.6 US tons
Inventory rating41.1 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length83 ft (25.3 m)
Longest span80 ft (24.4 m)
Deck width36 ft (11 m)
Roadway width23 ft (6.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic330 (2015)
Projected traffic458 by 2035
Trucks5%
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

OwnerState Park, Forest, or Reservation Agency
Maintained byState Park, Forest, or Reservation 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 C-703A over Spillway at Grand Lake built?

It was built in 1997, making it 28 years old in 2025.

What condition is C-703A over Spillway at Grand Lake 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 C-703A over Spillway at Grand Lake carry?

About 330 vehicles per day (2015 count), of which roughly 5% are trucks.

How long is C-703A over Spillway at Grand Lake?

The structure is 83 ft (25.3 m) long with a longest span of 80 ft (24.4 m) and a deck 36 ft wide.

Who owns C-703A over Spillway at Grand Lake?

It is owned by the State Park, Forest, or Reservation Agency.