US Bridges

Orr RD over Blackwater Creek

Good

Ross County, Ohio · 1.86 Mi. N of US-23 · Structure no. 7152930

Built
1983
42 years old, rebuilt 2017
Condition
Good
inspected November 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
43 ft
1 main span
Daily traffic
584
2015 count
Owner
County
County Highway Agency

About this bridge

Orr RD over Blackwater Creek is a steel stringer/multi-beam or girder carrying Orr RD over Blackwater Creek in Ross County, Ohio. It was built in 1983 and reconstructed in 2017, so it is 42 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 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 584 vehicles a day, roughly 8% of them trucks, projected to reach 811 by 2035. The structure is 43 ft (13.1 m) long and 24 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesOrr RD
CrossesBlackwater Creek
Location1.86 Mi. N of US-23
RouteCounty Highway C0526
StateOhio
Coordinates39.45961, -82.97903
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating55 US tons
Inventory rating42.5 US tons

Structure

MaterialSteel
DeckCorrugated steel
Main spans1
Design loadHL 93
Structure length43 ft (13.1 m)
Longest span41 ft (12.5 m)
Deck width24 ft (7.3 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic584 (2015)
Projected traffic811 by 2035
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 Orr RD over Blackwater Creek built?

It was built in 1983, making it 42 years old in 2025. It was reconstructed in 2017.

What condition is Orr RD over Blackwater 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 November 2024.

How much traffic does Orr RD over Blackwater Creek carry?

About 584 vehicles per day (2015 count), of which roughly 8% are trucks.

How long is Orr RD over Blackwater Creek?

The structure is 43 ft (13.1 m) long with a longest span of 41 ft (12.5 m) and a deck 24 ft wide.

Who owns Orr RD over Blackwater Creek?

It is owned by the County Highway Agency.