US Bridges

Usr 20 over Portage River

Good

Sandusky County, Ohio · JCT SR 105 & US 20 · Structure no. 7201427

Built
2004
21 years old
Condition
Good
inspected September 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
242 ft
3 main spans
Daily traffic
11,075
2015 count
Owner
State
State Highway Agency

About this bridge

Usr 20 over Portage River is a steel continuous stringer/multi-beam or girder carrying Usr 20 over Portage River in Sandusky County, Ohio. It was built in 2004, so it is 21 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 11,075 vehicles a day, roughly 27% of them trucks, projected to reach 15,372 by 2035. The structure is 242 ft (73.8 m) long and 76 ft wide. If it were closed, the detour would be 8.7 mi (14 km).

CarriesUsr 20
CrossesPortage River
LocationJCT SR 105 & US 20
RouteU.S. Route 20
StateOhio
Coordinates41.44967, -83.36126
Functional classRural Principal Arterial - Other

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.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating61.4 US tons
Inventory rating47.5 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 25 or greater
Structure length242 ft (73.8 m)
Longest span100 ft (30.5 m)
Deck width76 ft (23.2 m)
Roadway width64 ft (19.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic11,075 (2015)
Projected traffic15,372 by 2035
Trucks27%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.7 mi (14 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 Portage River built?

It was built in 2004, making it 21 years old in 2025.

What condition is Usr 20 over Portage 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 September 2023.

How much traffic does Usr 20 over Portage River carry?

About 11,075 vehicles per day (2015 count), of which roughly 27% are trucks.

How long is Usr 20 over Portage River?

The structure is 242 ft (73.8 m) long with a longest span of 100 ft (30.5 m) and a deck 76 ft wide.

Who owns Usr 20 over Portage River?

It is owned by the State Highway Agency.