US Bridges

SR 561 (seymour a over I-75

Good

Hamilton County, Ohio · Over I-75 · Structure no. 3113736

Built
2018
7 years old
Condition
Good
inspected July 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
242 ft
2 main spans
Daily traffic
9,040
2012 count
Owner
State
State Highway Agency

About this bridge

SR 561 (seymour a over I-75 is a steel continuous stringer/multi-beam or girder carrying SR 561 (seymour a over I-75 in Hamilton County, Ohio. It was built in 2018, so it is 7 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 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 9,040 vehicles a day, roughly 3% of them trucks, projected to reach 18,080 by 2032. The structure is 242 ft (73.7 m) long and 69 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

Location

Open in Google Maps
CarriesSR 561 (seymour a
CrossesI-75
LocationOver I-75
RouteState Highway 561
CountyHamilton County
StateOhio
Coordinates39.19294, -84.47735
Functional classUrban Minor Arterial

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.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation8: Equal to present desirable criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment9: Superior to present desirable criteria
Operating rating75.4 US tons
Inventory rating57.9 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHL 93
Structure length242 ft (73.7 m)
Longest span122 ft (37.2 m)
Deck width69 ft (21 m)
Roadway width54 ft (16.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic9,040 (2012)
Projected traffic18,080 by 2032
Trucks3%
Lanes on structure3
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed8.1 mi (13 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was SR 561 (seymour a over I-75 built?

It was built in 2018, making it 7 years old in 2025.

What condition is SR 561 (seymour a over I-75 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 July 2023.

How much traffic does SR 561 (seymour a over I-75 carry?

About 9,040 vehicles per day (2012 count), of which roughly 3% are trucks.

How long is SR 561 (seymour a over I-75?

The structure is 242 ft (73.7 m) long with a longest span of 122 ft (37.2 m) and a deck 69 ft wide.

Who owns SR 561 (seymour a over I-75?

It is owned by the State Highway Agency.