US Bridges

Township 230 over Ridge RD O NF Lit Miami

Good

Clark County, Ohio · 1/4 Mile N Mitchell RD · Structure no. 1247239

Built
1957
68 years old, rebuilt 2010
Condition
Good
inspected October 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
51 ft
1 main span
Daily traffic
630
2015 count
Owner
County
County Highway Agency

About this bridge

Township 230 over Ridge RD O NF Lit Miami is a steel stringer/multi-beam or girder carrying Township 230 over Ridge RD O NF Lit Miami in Clark County, Ohio. It was built in 1957 and reconstructed in 2010, 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 good condition with a lowest component rating of 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 630 vehicles a day, roughly 5% of them trucks, projected to reach 874 by 2035. The structure is 51 ft (15.5 m) long and 24 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesTownship 230
CrossesRidge RD O NF Lit Miami
Location1/4 Mile N Mitchell RD
RouteCounty Highway T0230
StateOhio
Coordinates39.88185, -83.72685
Functional classUrban Local

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.
Substructure8 Very GoodNo problems noted.
Channel and channel protection9 ExcellentNo problems noted.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating92.8 US tons
Inventory rating64.3 US tons

Structure

MaterialSteel
DeckCorrugated steel
Main spans1
Design loadH 15
Structure length51 ft (15.5 m)
Longest span49 ft (14.9 m)
Deck width24 ft (7.3 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic630 (2015)
Projected traffic874 by 2035
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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Township 230 over Ridge RD O NF Lit Miami built?

It was built in 1957, making it 68 years old in 2025. It was reconstructed in 2010.

What condition is Township 230 over Ridge RD O NF Lit Miami 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 October 2024.

How much traffic does Township 230 over Ridge RD O NF Lit Miami carry?

About 630 vehicles per day (2015 count), of which roughly 5% are trucks.

How long is Township 230 over Ridge RD O NF Lit Miami?

The structure is 51 ft (15.5 m) long with a longest span of 49 ft (14.9 m) and a deck 24 ft wide.

Who owns Township 230 over Ridge RD O NF Lit Miami?

It is owned by the County Highway Agency.