US Bridges

CR137 Swailes Rd. over Troy-Concord Ditch

Good

Miami County, Ohio · 0.89 Mi. E of CR49 · Structure no. 5530000

Built
2014
11 years old
Condition
Good
inspected February 2025
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
65 ft
1 main span
Daily traffic
2,062
2015 count
Owner
County
County Highway Agency

About this bridge

CR137 Swailes Rd. over Troy-Concord Ditch is a prestressed concrete box beam or girders - multiple carrying CR137 Swailes Rd. over Troy-Concord Ditch in Miami County, Ohio. It was built in 2014, so it is 11 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 9 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 2,062 vehicles a day, roughly 5% of them trucks, projected to reach 2,862 by 2038. The structure is 65 ft (19.8 m) long and 36 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesCR137 Swailes Rd.
CrossesTroy-Concord Ditch
Location0.89 Mi. E of CR49
RouteCounty Highway 137
CountyMiami County
StateOhio
Coordinates40.01308, -84.20389
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
Deck9 ExcellentNo problems noted.
Superstructure9 ExcellentNo problems noted.
Substructure9 ExcellentNo problems noted.
Channel and channel protection9 ExcellentNo problems noted.
Last inspectionFebruary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation9: Superior to present desirable criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating107.1 US tons
Inventory rating107.1 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length65 ft (19.8 m)
Longest span64 ft (19.5 m)
Deck width36 ft (11 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,062 (2015)
Projected traffic2,862 by 2038
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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$269 million
NavigationNo navigation control on waterway

Frequently asked questions

When was CR137 Swailes Rd. over Troy-Concord Ditch built?

It was built in 2014, making it 11 years old in 2025.

What condition is CR137 Swailes Rd. over Troy-Concord Ditch 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 February 2025.

How much traffic does CR137 Swailes Rd. over Troy-Concord Ditch carry?

About 2,062 vehicles per day (2015 count), of which roughly 5% are trucks.

How long is CR137 Swailes Rd. over Troy-Concord Ditch?

The structure is 65 ft (19.8 m) long with a longest span of 64 ft (19.5 m) and a deck 36 ft wide.

Who owns CR137 Swailes Rd. over Troy-Concord Ditch?

It is owned by the County Highway Agency.