US Bridges

SR 604 over Whitman Ditch

Good

Wayne County, Ohio · 5.69 Miles East of SR-3 · Structure no. 8506701

Built
1984
41 years old
Condition
Good
inspected October 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
53 ft
1 main span
Daily traffic
2,060
2015 count
Owner
State
State Highway Agency

About this bridge

SR 604 over Whitman Ditch is a prestressed concrete box beam or girders - multiple carrying SR 604 over Whitman Ditch in Wayne County, Ohio. It was built in 1984, so it is 41 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 2,060 vehicles a day, roughly 8% of them trucks, projected to reach 2,859 by 2035. The structure is 53 ft (16.2 m) long and 28 ft wide. If it were closed, the detour would be 16.2 mi (26 km).

CarriesSR 604
CrossesWhitman Ditch
Location5.69 Miles East of SR-3
RouteState Highway 604
StateOhio
Coordinates40.94588, -81.79398
Functional classRural Minor Collector

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.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating57.9 US tons
Inventory rating44.6 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length53 ft (16.2 m)
Longest span52 ft (15.9 m)
Deck width28 ft (8.5 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,060 (2015)
Projected traffic2,859 by 2035
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed16.2 mi (26 km)
TollOn a free road
National Highway SystemNo

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 604 over Whitman Ditch built?

It was built in 1984, making it 41 years old in 2025.

What condition is SR 604 over Whitman Ditch 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 October 2024.

How much traffic does SR 604 over Whitman Ditch carry?

About 2,060 vehicles per day (2015 count), of which roughly 8% are trucks.

How long is SR 604 over Whitman Ditch?

The structure is 53 ft (16.2 m) long with a longest span of 52 ft (15.9 m) and a deck 28 ft wide.

Who owns SR 604 over Whitman Ditch?

It is owned by the State Highway Agency.