US Bridges

Usr 20 over Gowman Ditch

Fair

Lucas County, Ohio · 1.76 MI E of SR 295 · Structure no. 4800524

Built
1978
47 years old
Condition
Fair
inspected January 2025
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
27 ft
1 main span
Daily traffic
8,299
2019 count
Owner
State
State Highway Agency

About this bridge

Usr 20 over Gowman Ditch is a prestressed concrete box beam or girders - multiple carrying Usr 20 over Gowman Ditch in Lucas County, Ohio. It was built in 1978, so it is 47 years old, younger 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 5 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 8,299 vehicles a day, roughly 14% of them trucks, projected to reach 12,381 by 2039. The structure is 27 ft (8.2 m) long and 40 ft wide. If it were closed, the detour would be 26.7 mi (43 km).

CarriesUsr 20
CrossesGowman Ditch
Location1.76 MI E of SR 295
RouteU.S. Route 20
StateOhio
Coordinates41.67325, -83.80393
Functional classRural Principal Arterial - Other

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure7 GoodSome minor problems.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJanuary 2025
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being 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 rating42.9 US tons
Inventory rating35.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length27 ft (8.2 m)
Longest span23 ft (7 m)
Deck width40 ft (12.2 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,299 (2019)
Projected traffic12,381 by 2039
Trucks14%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed26.7 mi (43 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 Usr 20 over Gowman Ditch built?

It was built in 1978, making it 47 years old in 2025.

What condition is Usr 20 over Gowman 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 Usr 20 over Gowman Ditch carry?

About 8,299 vehicles per day (2019 count), of which roughly 14% are trucks.

How long is Usr 20 over Gowman Ditch?

The structure is 27 ft (8.2 m) long with a longest span of 23 ft (7 m) and a deck 40 ft wide.

Who owns Usr 20 over Gowman Ditch?

It is owned by the State Highway Agency.