US Bridges

Purdy Road over Big Black Creek

Good

Mercer County, Ohio · 0.1 MI W Burrville Road · Structure no. 5432324

Built
2004
21 years old
Condition
Good
inspected December 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
70 ft
1 main span
Daily traffic
324
2015 count
Owner
County
County Highway Agency

About this bridge

Purdy Road over Big Black Creek is a prestressed concrete box beam or girders - multiple carrying Purdy Road over Big Black Creek in Mercer County, Ohio. It was built in 2004, so it is 21 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 324 vehicles a day, roughly 7% of them trucks, projected to reach 450 by 2035. The structure is 70 ft (21.3 m) long and 32 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesPurdy Road
CrossesBig Black Creek
Location0.1 MI W Burrville Road
RouteCounty Highway T220A
StateOhio
Coordinates40.66964, -84.73066
Functional classRural Local

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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations on dry land well above flood water elevations
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment9: Superior to present desirable criteria
Operating rating46.4 US tons
Inventory rating35.7 US tons

Structure

MaterialPrestressed Concrete
DeckOther
Main spans1
Design loadHS 20
Structure length70 ft (21.3 m)
Longest span69 ft (21 m)
Deck width32 ft (9.8 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic324 (2015)
Projected traffic450 by 2035
Trucks7%
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 Purdy Road over Big Black Creek built?

It was built in 2004, making it 21 years old in 2025.

What condition is Purdy Road over Big Black Creek 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 December 2024.

How much traffic does Purdy Road over Big Black Creek carry?

About 324 vehicles per day (2015 count), of which roughly 7% are trucks.

How long is Purdy Road over Big Black Creek?

The structure is 70 ft (21.3 m) long with a longest span of 69 ft (21 m) and a deck 32 ft wide.

Who owns Purdy Road over Big Black Creek?

It is owned by the County Highway Agency.