US Bridges

SR 120 (central) over Ir 75 and Ottawa River

Good

Lucas County, Ohio · JCT Ir 75 · Structure no. 4805038

Built
2009
16 years old
Condition
Good
inspected October 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
639 ft
5 main spans
Daily traffic
9,051
2015 count
Owner
State
State Highway Agency

About this bridge

SR 120 (central) over Ir 75 and Ottawa River is a steel continuous stringer/multi-beam or girder carrying SR 120 (central) over Ir 75 and Ottawa River 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 9,051 vehicles a day, roughly 10% of them trucks, projected to reach 12,563 by 2035. The structure is 639 ft (194.8 m) long and 76 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesSR 120 (central)
CrossesIr 75 and Ottawa River
LocationJCT Ir 75
RouteState Highway 120
CountyLucas County
StateOhio
Coordinates41.678, -83.57375
Functional classUrban Minor Arterial

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.
Channel and channel protection8 Very GoodNo problems noted.
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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating46.4 US tons
Inventory rating35.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans5
Design loadHS 25 or greater
Structure length639 ft (194.8 m)
Longest span161 ft (49.1 m)
Deck width76 ft (23.3 m)
Roadway width66 ft (20.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic9,051 (2015)
Projected traffic12,563 by 2035
Trucks10%
Lanes on structure5
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway and waterway
Detour if closed5 mi (8 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 120 (central) over Ir 75 and Ottawa River built?

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

What condition is SR 120 (central) over Ir 75 and Ottawa 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 October 2024.

How much traffic does SR 120 (central) over Ir 75 and Ottawa River carry?

About 9,051 vehicles per day (2015 count), of which roughly 10% are trucks.

How long is SR 120 (central) over Ir 75 and Ottawa River?

The structure is 639 ft (194.8 m) long with a longest span of 161 ft (49.1 m) and a deck 76 ft wide.

Who owns SR 120 (central) over Ir 75 and Ottawa River?

It is owned by the State Highway Agency.