US Bridges

SR 274 over Great Miami River

Good

Logan County, Ohio · .25 MI West of JCT 235 · Structure no. 4602595

Built
2009
16 years old
Condition
Good
inspected April 2024
Type
Slab
Concrete Continuous
Length
144 ft
3 main spans
Daily traffic
3,535
2015 count
Owner
State
State Highway Agency

About this bridge

SR 274 over Great Miami River is a concrete continuous slab carrying SR 274 over Great Miami River in Logan County, Ohio. It was built in 2009, so it is 16 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 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 3,535 vehicles a day, roughly 20% of them trucks, projected to reach 4,907 by 2035. The structure is 144 ft (44 m) long and 40 ft wide. If it were closed, the detour would be 14.3 mi (23 km).

Location

Open in Google Maps
CarriesSR 274
CrossesGreat Miami River
Location.25 MI West of JCT 235
RouteState Highway 274
CountyLogan County
StateOhio
Coordinates40.43933, -83.91104
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection9 ExcellentNo problems noted.
Last inspectionApril 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 adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating68.6 US tons
Inventory rating52.9 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 25 or greater
Structure length144 ft (44 m)
Longest span48 ft (14.5 m)
Deck width40 ft (12.2 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,535 (2015)
Projected traffic4,907 by 2035
Trucks20%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed14.3 mi (23 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 274 over Great Miami River built?

It was built in 2009, making it 16 years old in 2025.

What condition is SR 274 over Great Miami 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 April 2024.

How much traffic does SR 274 over Great Miami River carry?

About 3,535 vehicles per day (2015 count), of which roughly 20% are trucks.

How long is SR 274 over Great Miami River?

The structure is 144 ft (44 m) long with a longest span of 48 ft (14.5 m) and a deck 40 ft wide.

Who owns SR 274 over Great Miami River?

It is owned by the State Highway Agency.