US Bridges

Usr 20A over Tiffin River

Fair

Fulton County, Ohio · 0.46 Mi. W. of SR 66 · Structure no. 2600439

Built
1986
39 years old
Condition
Fair
inspected June 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
220 ft
3 main spans
Daily traffic
3,113
2015 count
Owner
State
State Highway Agency

About this bridge

Usr 20A over Tiffin River is a steel continuous stringer/multi-beam or girder carrying Usr 20A over Tiffin River in Fulton County, Ohio. It was built in 1986, so it is 39 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 6 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 3,113 vehicles a day, roughly 17% of them trucks, projected to reach 4,321 by 2035. The structure is 220 ft (67.1 m) long and 36 ft wide. If it were closed, the detour would be 11.8 mi (19 km).

CarriesUsr 20A
CrossesTiffin River
Location0.46 Mi. W. of SR 66
RouteU.S. Route 20
StateOhio
Coordinates41.58085, -84.33389
Functional classRural Minor Arterial

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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJune 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
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 rating37.5 US tons
Inventory rating28.5 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length220 ft (67.1 m)
Longest span90 ft (27.4 m)
Deck width36 ft (11 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,113 (2015)
Projected traffic4,321 by 2035
Trucks17%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed11.8 mi (19 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 Usr 20A over Tiffin River built?

It was built in 1986, making it 39 years old in 2025.

What condition is Usr 20A over Tiffin River 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 Usr 20A over Tiffin River carry?

About 3,113 vehicles per day (2015 count), of which roughly 17% are trucks.

How long is Usr 20A over Tiffin River?

The structure is 220 ft (67.1 m) long with a longest span of 90 ft (27.4 m) and a deck 36 ft wide.

Who owns Usr 20A over Tiffin River?

It is owned by the State Highway Agency.