US Bridges

Knauss Road over Sycamore Creek

Good

Crawford County, Ohio · 1.1 MI S of SR 103 · Structure no. 1736728

Built
1973
52 years old
Condition
Good
inspected November 2024
Type
Slab
Concrete Continuous
Length
110 ft
3 main spans
Daily traffic
73
2015 count
Owner
County
County Highway Agency

About this bridge

Knauss Road over Sycamore Creek is a concrete continuous slab carrying Knauss Road over Sycamore Creek in Crawford County, Ohio. It was built in 1973, so it is 52 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 73 vehicles a day, roughly 7% of them trucks, projected to reach 101 by 2035. The structure is 110 ft (33.5 m) long and 24 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesKnauss Road
CrossesSycamore Creek
Location1.1 MI S of SR 103
RouteCounty Highway 21
StateOhio
Coordinates40.93333, -83.075
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating45 US tons
Inventory rating36 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length110 ft (33.5 m)
Longest span41 ft (12.5 m)
Deck width24 ft (7.3 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic73 (2015)
Projected traffic101 by 2035
Trucks7%
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 Sycamore Creek built?

It was built in 1973, making it 52 years old in 2025.

What condition is Knauss Road over Sycamore 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 November 2024.

How much traffic does Knauss Road over Sycamore Creek carry?

About 73 vehicles per day (2015 count), of which roughly 7% are trucks.

How long is Knauss Road over Sycamore Creek?

The structure is 110 ft (33.5 m) long with a longest span of 41 ft (12.5 m) and a deck 24 ft wide.

Who owns Knauss Road over Sycamore Creek?

It is owned by the County Highway Agency.