US Bridges

Swailes Road over I-75

Good

Miami County, Ohio · 2.41MI N.Of 25A Ramp · Structure no. 5502055

Built
2002
23 years old
Condition
Good
inspected July 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
187 ft
2 main spans
Daily traffic
2,307
2015 count
Owner
State
State Highway Agency

About this bridge

Swailes Road over I-75 is a prestressed concrete continuous stringer/multi-beam or girder carrying Swailes Road over I-75 in Miami County, Ohio. It was built in 2002, so it is 23 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 2,307 vehicles a day, roughly 5% of them trucks, projected to reach 92,774 by 2035. The structure is 187 ft (56.9 m) long and 47 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesSwailes Road
CrossesI-75
Location2.41MI N.Of 25A Ramp
RouteCounty Highway CR137
StateOhio
Coordinates40.01012, -84.23008
Functional classUrban Collector

Condition and inspection

Good

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating71.4 US tons
Inventory rating42.9 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20 + Mod
Structure length187 ft (56.9 m)
Longest span91 ft (27.8 m)
Deck width47 ft (14.3 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,307 (2015)
Projected traffic92,774 by 2035
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed3.7 mi (6 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 Swailes Road over I-75 built?

It was built in 2002, making it 23 years old in 2025.

What condition is Swailes Road 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 2024.

How much traffic does Swailes Road over I-75 carry?

About 2,307 vehicles per day (2015 count), of which roughly 5% are trucks.

How long is Swailes Road over I-75?

The structure is 187 ft (56.9 m) long with a longest span of 91 ft (27.8 m) and a deck 47 ft wide.

Who owns Swailes Road over I-75?

It is owned by the State Highway Agency.