US Bridges

US 23 over Blackwater Creek

Fair

Ross County, Ohio · 1.15 MI S of Pic County · Structure no. 7101171

Built
1956
69 years old
Condition
Fair
inspected October 2024
Type
Slab
Concrete Continuous
Length
100 ft
3 main spans
Daily traffic
12,544
2015 count
Owner
State
State Highway Agency

About this bridge

US 23 over Blackwater Creek is a concrete continuous slab carrying US 23 over Blackwater Creek in Ross County, Ohio. It was built in 1956, so it is 69 years old, older than the Ohio average of 47.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 12,544 vehicles a day, roughly 10% of them trucks, projected to reach 17,411 by 2035. The structure is 100 ft (30.5 m) long and 44 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesUS 23
CrossesBlackwater Creek
Location1.15 MI S of Pic County
RouteU.S. Route 23
StateOhio
Coordinates39.46264, -82.97004
Functional classRural Principal Arterial - Other

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating46.4 US tons
Inventory rating35.7 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 20
Structure length100 ft (30.5 m)
Longest span35 ft (10.7 m)
Deck width44 ft (13.4 m)
Roadway width41 ft (12.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic12,544 (2015)
Projected traffic17,411 by 2035
Trucks10%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemYes

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—
NavigationNo navigation control on waterway

Frequently asked questions

When was US 23 over Blackwater Creek built?

It was built in 1956, making it 69 years old in 2025.

What condition is US 23 over Blackwater Creek in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in October 2024.

How much traffic does US 23 over Blackwater Creek carry?

About 12,544 vehicles per day (2015 count), of which roughly 10% are trucks.

How long is US 23 over Blackwater Creek?

The structure is 100 ft (30.5 m) long with a longest span of 35 ft (10.7 m) and a deck 44 ft wide.

Who owns US 23 over Blackwater Creek?

It is owned by the State Highway Agency.