US Bridges

Miami-Shelby Rd. over Ir 75 B&o RR

Fair

Miami County, Ohio · Miami-Shelby County Line · Structure no. 5503450

Built
1959
66 years old
Condition
Fair
inspected March 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
384 ft
6 main spans
Daily traffic
423
2019 count
Owner
State
State Highway Agency

About this bridge

Miami-Shelby Rd. over Ir 75 B&o RR is a steel continuous stringer/multi-beam or girder carrying Miami-Shelby Rd. over Ir 75 B&o RR in Miami County, Ohio. It was built in 1959, so it is 66 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 423 vehicles a day, projected to reach 65,640 by 2039. The structure is 384 ft (117 m) long and 30 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesMiami-Shelby Rd.
CrossesIr 75 B&o RR
LocationMiami-Shelby County Line
RouteCounty Highway C0006
CountyMiami County
StateOhio
Coordinates40.19494, -84.20861
Functional classRural Local

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.
Substructure7 GoodSome minor problems.
Last inspectionMarch 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating42.9 US tons
Inventory rating32.2 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans6
Design loadH 15
Structure length384 ft (117 m)
Longest span70 ft (21.3 m)
Deck width30 ft (9.2 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic423 (2019)
Projected traffic65,640 by 2039
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway and railroad
Detour if closed3.1 mi (5 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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Miami-Shelby Rd. over Ir 75 B&o RR built?

It was built in 1959, making it 66 years old in 2025.

What condition is Miami-Shelby Rd. over Ir 75 B&o RR 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 March 2024.

How much traffic does Miami-Shelby Rd. over Ir 75 B&o RR carry?

About 423 vehicles per day (2019 count).

How long is Miami-Shelby Rd. over Ir 75 B&o RR?

The structure is 384 ft (117 m) long with a longest span of 70 ft (21.3 m) and a deck 30 ft wide.

Who owns Miami-Shelby Rd. over Ir 75 B&o RR?

It is owned by the State Highway Agency.