US Bridges

SR 635 over Muskellunge Creek

Fair

Sandusky County, Ohio · 1.38 Mi. North of SR 12 · Structure no. 7203691

Built
1960
65 years old
Condition
Fair
inspected March 2024
Type
Slab
Concrete Continuous
Length
80 ft
3 main spans
Daily traffic
561
2018 count
Owner
State
State Highway Agency

About this bridge

SR 635 over Muskellunge Creek is a concrete continuous slab carrying SR 635 over Muskellunge Creek in Sandusky County, Ohio. It was built in 1960, so it is 65 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 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 561 vehicles a day, roughly 7% of them trucks, projected to reach 779 by 2038. The structure is 80 ft (24.4 m) long and 32 ft wide. If it were closed, the detour would be 23 mi (37 km).

CarriesSR 635
CrossesMuskellunge Creek
Location1.38 Mi. North of SR 12
RouteState Highway 635
StateOhio
Coordinates41.27368, -83.28332
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
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 inspectionMarch 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment9: Superior to present desirable criteria
Operating rating46.4 US tons
Inventory rating28.5 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 15
Structure length80 ft (24.4 m)
Longest span30 ft (9.1 m)
Deck width32 ft (9.8 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic561 (2018)
Projected traffic779 by 2038
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed23 mi (37 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 SR 635 over Muskellunge Creek built?

It was built in 1960, making it 65 years old in 2025.

What condition is SR 635 over Muskellunge Creek 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 March 2024.

How much traffic does SR 635 over Muskellunge Creek carry?

About 561 vehicles per day (2018 count), of which roughly 7% are trucks.

How long is SR 635 over Muskellunge Creek?

The structure is 80 ft (24.4 m) long with a longest span of 30 ft (9.1 m) and a deck 32 ft wide.

Who owns SR 635 over Muskellunge Creek?

It is owned by the State Highway Agency.