US Bridges

SR 661 over Sycamore Creek

Good

Knox County, Ohio · 0.2 Miles South of CR 27 · Structure no. 4203739

Built
2013
12 years old
Condition
Good
inspected March 2024
Type
Slab
Concrete Continuous
Length
94 ft
3 main spans
Daily traffic
4,252
2015 count
Owner
State
State Highway Agency

About this bridge

SR 661 over Sycamore Creek is a concrete continuous slab carrying SR 661 over Sycamore Creek in Knox County, Ohio. It was built in 2013, so it is 12 years old, younger 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 9 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 4,252 vehicles a day, roughly 10% of them trucks, projected to reach 5,902 by 2035. The structure is 94 ft (28.8 m) long and 40 ft wide. If it were closed, the detour would be 14.9 mi (24 km).

CarriesSR 661
CrossesSycamore Creek
Location0.2 Miles South of CR 27
RouteState Highway 661
StateOhio
Coordinates40.30935, -82.5104
Functional classRural Major Collector

Condition and inspection

Good

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

ComponentRatingMeaning
Deck9 ExcellentNo problems noted.
Superstructure9 ExcellentNo problems noted.
Substructure9 ExcellentNo problems noted.
Channel and channel protection9 ExcellentNo problems noted.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation9: Superior to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating55.3 US tons
Inventory rating42.9 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHL 93
Structure length94 ft (28.8 m)
Longest span35 ft (10.7 m)
Deck width40 ft (12.2 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,252 (2015)
Projected traffic5,902 by 2035
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed14.9 mi (24 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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$688.1 million
NavigationNo navigation control on waterway

Frequently asked questions

When was SR 661 over Sycamore Creek built?

It was built in 2013, making it 12 years old in 2025.

What condition is SR 661 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 March 2024.

How much traffic does SR 661 over Sycamore Creek carry?

About 4,252 vehicles per day (2015 count), of which roughly 10% are trucks.

How long is SR 661 over Sycamore Creek?

The structure is 94 ft (28.8 m) long with a longest span of 35 ft (10.7 m) and a deck 40 ft wide.

Who owns SR 661 over Sycamore Creek?

It is owned by the State Highway Agency.