US Bridges

Usr 6/USR 20 over Muskellunge CR & TR 57

Good

Sandusky County, Ohio · Muskellunge CR & Tp RD 57 · Structure no. 7200420

Built
1957
68 years old, rebuilt 2006
Condition
Good
inspected September 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
198 ft
3 main spans
Daily traffic
7,427
2015 count
Owner
State
State Highway Agency

About this bridge

Usr 6/USR 20 over Muskellunge CR & TR 57 is a steel continuous stringer/multi-beam or girder carrying Usr 6/USR 20 over Muskellunge CR & TR 57 in Sandusky County, Ohio. It was built in 1957 and reconstructed in 2006, so it is 68 years old, older 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 7,427 vehicles a day, roughly 21% of them trucks, projected to reach 10,309 by 2035. The structure is 198 ft (60.4 m) long and 45 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesUsr 6/USR 20
CrossesMuskellunge CR & TR 57
LocationMuskellunge CR & Tp RD 57
RouteU.S. Route 6
CountySandusky County
StateOhio
Coordinates41.3686, -83.14897
Functional classUrban Principal Arterial - Other Freeway or Expressway

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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry8: Equal to present desirable criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating35.7 US tons
Inventory rating28.5 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length198 ft (60.4 m)
Longest span75 ft (22.9 m)
Deck width45 ft (13.7 m)
Roadway width42 ft (12.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,427 (2015)
Projected traffic10,309 by 2035
Trucks21%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway and waterway
Detour if closed1.2 mi (2 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 6/USR 20 over Muskellunge CR & TR 57 built?

It was built in 1957, making it 68 years old in 2025. It was reconstructed in 2006.

What condition is Usr 6/USR 20 over Muskellunge CR & TR 57 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 6/USR 20 over Muskellunge CR & TR 57 carry?

About 7,427 vehicles per day (2015 count), of which roughly 21% are trucks.

How long is Usr 6/USR 20 over Muskellunge CR & TR 57?

The structure is 198 ft (60.4 m) long with a longest span of 75 ft (22.9 m) and a deck 45 ft wide.

Who owns Usr 6/USR 20 over Muskellunge CR & TR 57?

It is owned by the State Highway Agency.