US Bridges

Douglas Road over Ir 475

Good

Lucas County, Ohio · 1/4 MI N SR 51 · Structure no. 4808355

Built
2009
16 years old
Condition
Good
inspected October 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
193 ft
2 main spans
Daily traffic
25,651
2019 count
Owner
State
State Highway Agency

About this bridge

Douglas Road over Ir 475 is a steel continuous stringer/multi-beam or girder carrying Douglas Road over Ir 475 in Lucas 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 25,651 vehicles a day, roughly 3% of them trucks, projected to reach 30,000 by 2039. The structure is 193 ft (58.8 m) long and 80 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesDouglas Road
CrossesIr 475
Location1/4 MI N SR 51
RouteInterstate 475
StateOhio
Coordinates41.68488, -83.60372
Functional classUrban Principal Arterial - Interstate

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60.4 US tons
Inventory rating46.7 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 25 or greater
Structure length193 ft (58.8 m)
Longest span96 ft (29.3 m)
Deck width80 ft (24.4 m)
Roadway width68 ft (20.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic25,651 (2019)
Projected traffic30,000 by 2039
Trucks3%
Lanes on structure5
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed1.9 mi (3 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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Douglas Road over Ir 475 built?

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

What condition is Douglas Road over Ir 475 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 Douglas Road over Ir 475 carry?

About 25,651 vehicles per day (2019 count), of which roughly 3% are trucks.

How long is Douglas Road over Ir 475?

The structure is 193 ft (58.8 m) long with a longest span of 96 ft (29.3 m) and a deck 80 ft wide.

Who owns Douglas Road over Ir 475?

It is owned by the State Highway Agency.