US Bridges

Ir 475 over Heldman Ditch

Fair

Lucas County, Ohio · 600 Ft. S. of Hill Ave. · Structure no. 4807596

Built
1968
57 years old
Condition
Fair
inspected January 2025
Type
Culvert
Steel
Length
22 ft
2 main spans
Daily traffic
77,380
2010 count
Owner
State
State Highway Agency

About this bridge

Ir 475 over Heldman Ditch is a steel culvert carrying Ir 475 over Heldman Ditch in Lucas County, Ohio. It was built in 1968, so it is 57 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 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 77,380 vehicles a day, roughly 12% of them trucks, projected to reach 107,403 by 2030. The structure is 22 ft (6.7 m) long. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesIr 475
CrossesHeldman Ditch
Location600 Ft. S. of Hill Ave.
RouteInterstate 475
CountyLucas County
StateOhio
Coordinates41.63711, -83.69443
Functional classUrban Principal Arterial - Interstate

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 2025
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating46.4 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans2
Design loadHS 20
Structure length22 ft (6.7 m)
Longest span9 ft (2.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic77,380 (2010)
Projected traffic107,403 by 2030
Trucks12%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

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 Ir 475 over Heldman Ditch built?

It was built in 1968, making it 57 years old in 2025.

What condition is Ir 475 over Heldman Ditch 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 January 2025.

How much traffic does Ir 475 over Heldman Ditch carry?

About 77,380 vehicles per day (2010 count), of which roughly 12% are trucks.

How long is Ir 475 over Heldman Ditch?

The structure is 22 ft (6.7 m) long with a longest span of 9 ft (2.7 m).

Who owns Ir 475 over Heldman Ditch?

It is owned by the State Highway Agency.