US Bridges

SR-47 over Great Miami River

Fair

Shelby County, Ohio · 1.88MI.E.OF Jct. SR-29DA · Structure no. 7500726

Built
1957
68 years old
Condition
Fair
inspected July 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
214 ft
3 main spans
Daily traffic
6,336
2015 count
Owner
State
State Highway Agency

About this bridge

SR-47 over Great Miami River is a steel continuous stringer/multi-beam or girder carrying SR-47 over Great Miami River in Shelby County, Ohio. It was built in 1957, so it is 68 years old, older than the Ohio average of 47.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 6,336 vehicles a day, roughly 6% of them trucks, projected to reach 8,794 by 2035. The structure is 214 ft (65.2 m) long and 32 ft wide. If it were closed, the detour would be 16.8 mi (27 km).

CarriesSR-47
CrossesGreat Miami River
Location1.88MI.E.OF Jct. SR-29DA
RouteState Highway 47
StateOhio
Coordinates40.30684, -84.13757
Functional classUrban Minor Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJuly 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating57.1 US tons
Inventory rating35.7 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 15
Structure length214 ft (65.2 m)
Longest span80 ft (24.4 m)
Deck width32 ft (9.9 m)
Roadway width32 ft (9.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,336 (2015)
Projected traffic8,794 by 2035
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed16.8 mi (27 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-47 over Great Miami River built?

It was built in 1957, making it 68 years old in 2025.

What condition is SR-47 over Great Miami River in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in July 2024.

How much traffic does SR-47 over Great Miami River carry?

About 6,336 vehicles per day (2015 count), of which roughly 6% are trucks.

How long is SR-47 over Great Miami River?

The structure is 214 ft (65.2 m) long with a longest span of 80 ft (24.4 m) and a deck 32 ft wide.

Who owns SR-47 over Great Miami River?

It is owned by the State Highway Agency.