US Bridges

Knauss Road over Sandusky River

Good

Crawford County, Ohio · 4.1 Mi. N. of SR 4 · Structure no. 1736396

Built
1977
48 years old
Condition
Good
inspected September 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
182 ft
3 main spans
Daily traffic
86
2015 count
Owner
County
County Highway Agency

About this bridge

Knauss Road over Sandusky River is a prestressed concrete box beam or girders - multiple carrying Knauss Road over Sandusky River in Crawford County, Ohio. It was built in 1977, so it is 48 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 86 vehicles a day, roughly 8% of them trucks, projected to reach 119 by 2035. The structure is 182 ft (55.5 m) long and 24 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesKnauss Road
CrossesSandusky River
Location4.1 Mi. N. of SR 4
RouteCounty Highway T0021
StateOhio
Coordinates40.76167, -83.07333
Functional classRural 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.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating82.1 US tons
Inventory rating50 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length182 ft (55.5 m)
Longest span68 ft (20.7 m)
Deck width24 ft (7.3 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic86 (2015)
Projected traffic119 by 2035
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 Knauss Road over Sandusky River built?

It was built in 1977, making it 48 years old in 2025.

What condition is Knauss Road over Sandusky River 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 2024.

How much traffic does Knauss Road over Sandusky River carry?

About 86 vehicles per day (2015 count), of which roughly 8% are trucks.

How long is Knauss Road over Sandusky River?

The structure is 182 ft (55.5 m) long with a longest span of 68 ft (20.7 m) and a deck 24 ft wide.

Who owns Knauss Road over Sandusky River?

It is owned by the County Highway Agency.