US Bridges

Township Road 73 over Muskellunge Creek

Good

Sandusky County, Ohio · 0.48 MI E. of SR 19 · Structure no. 7242093

Built
1962
63 years old
Condition
Good
inspected October 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
78 ft
1 main span
Daily traffic
564
2015 count
Owner
County
County Highway Agency

About this bridge

Township Road 73 over Muskellunge Creek is a prestressed concrete stringer/multi-beam or girder carrying Township Road 73 over Muskellunge Creek in Sandusky County, Ohio. It was built in 1962, so it is 63 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 564 vehicles a day, roughly 5% of them trucks, projected to reach 783 by 2035. The structure is 78 ft (23.8 m) long and 24 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesTownship Road 73
CrossesMuskellunge Creek
Location0.48 MI E. of SR 19
RouteCounty Highway T0073
StateOhio
Coordinates41.38555, -83.12729
Functional classUrban Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating75 US tons
Inventory rating46.4 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadOther
Structure length78 ft (23.8 m)
Longest span74 ft (22.6 m)
Deck width24 ft (7.3 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic564 (2015)
Projected traffic783 by 2035
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 Township Road 73 over Muskellunge Creek built?

It was built in 1962, making it 63 years old in 2025.

What condition is Township Road 73 over Muskellunge Creek 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 October 2024.

How much traffic does Township Road 73 over Muskellunge Creek carry?

About 564 vehicles per day (2015 count), of which roughly 5% are trucks.

How long is Township Road 73 over Muskellunge Creek?

The structure is 78 ft (23.8 m) long with a longest span of 74 ft (22.6 m) and a deck 24 ft wide.

Who owns Township Road 73 over Muskellunge Creek?

It is owned by the County Highway Agency.