US Bridges

Portage River RD over I80 Ohio Tpk

Fair

Ottawa County, Ohio · 8.9MI East of Exit 71 · Structure no. 6229883

Built
1954
71 years old, rebuilt 1991
Condition
Fair
inspected June 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
199 ft
2 main spans
Daily traffic
522
2015 count
Owner
Toll Authority
State Toll Authority

About this bridge

Portage River RD over I80 Ohio Tpk is a steel continuous stringer/multi-beam or girder carrying Portage River RD over I80 Ohio Tpk in Ottawa County, Ohio. It was built in 1954 and reconstructed in 1991, so it is 71 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 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 522 vehicles a day, roughly 7% of them trucks, projected to reach 61,376 by 2035. The structure is 199 ft (60.7 m) long and 30 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesPortage River RD
CrossesI80 Ohio Tpk
Location8.9MI East of Exit 71
RouteCounty Highway 18
StateOhio
Coordinates41.46695, -83.30598
Functional classRural Minor Collector

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourBridge not over waterway
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
Approach roadway alignment8: Equal to present desirable criteria
Operating rating57.1 US tons
Inventory rating35.7 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2 (+2 approach)
Design loadHS 20 + Mod
Structure length199 ft (60.7 m)
Longest span68 ft (20.7 m)
Deck width30 ft (9.1 m)
Roadway width27 ft (8.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic522 (2015)
Projected traffic61,376 by 2035
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed6.2 mi (10 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Toll Authority
Maintained byState Toll Authority
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 Portage River RD over I80 Ohio Tpk built?

It was built in 1954, making it 71 years old in 2025. It was reconstructed in 1991.

What condition is Portage River RD over I80 Ohio Tpk 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 June 2024.

How much traffic does Portage River RD over I80 Ohio Tpk carry?

About 522 vehicles per day (2015 count), of which roughly 7% are trucks.

How long is Portage River RD over I80 Ohio Tpk?

The structure is 199 ft (60.7 m) long with a longest span of 68 ft (20.7 m) and a deck 30 ft wide.

Who owns Portage River RD over I80 Ohio Tpk?

It is owned by the State Toll Authority.