US Bridges

SR-4 over Mad River

Good

Clark County, Ohio · 1.11MI.N. of Jct. IR-70 · Structure no. 1200062

Built
1957
68 years old
Condition
Good
inspected April 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
480 ft
6 main spans
Daily traffic
5,972
2015 count
Owner
State
State Highway Agency

About this bridge

SR-4 over Mad River is a steel continuous stringer/multi-beam or girder carrying SR-4 over Mad River in Clark County, Ohio. It was built in 1957, so it is 68 years old, older 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 5,972 vehicles a day, roughly 7% of them trucks, projected to reach 8,289 by 2035. The structure is 480 ft (146.3 m) long and 36 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesSR-4
CrossesMad River
Location1.11MI.N. of Jct. IR-70
RouteState Highway 4
StateOhio
Coordinates39.89171, -83.93878
Functional classRural Principal Arterial - Other

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.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating21.4 US tons
Inventory rating17.9 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans6
Design loadHS 20
Structure length480 ft (146.3 m)
Longest span85 ft (25.9 m)
Deck width36 ft (11.1 m)
Roadway width33 ft (10.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,972 (2015)
Projected traffic8,289 by 2035
Trucks7%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 SR-4 over Mad River built?

It was built in 1957, making it 68 years old in 2025.

What condition is SR-4 over Mad 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 April 2023.

How much traffic does SR-4 over Mad River carry?

About 5,972 vehicles per day (2015 count), of which roughly 7% are trucks.

How long is SR-4 over Mad River?

The structure is 480 ft (146.3 m) long with a longest span of 85 ft (25.9 m) and a deck 36 ft wide.

Who owns SR-4 over Mad River?

It is owned by the State Highway Agency.