US Bridges

Antioch Road over Cowan Creek

Fair

Clinton County, Ohio · 0.8 MI NW of Dailey RD · Structure no. 1431722

Built
1992
33 years old
Condition
Fair
inspected November 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
36 ft
1 main span
Daily traffic
2,242
2019 count
Owner
County
County Highway Agency

About this bridge

Antioch Road over Cowan Creek is a prestressed concrete box beam or girders - multiple carrying Antioch Road over Cowan Creek in Clinton County, Ohio. It was built in 1992, so it is 33 years old, younger 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 2,242 vehicles a day, roughly 10% of them trucks, projected to reach 2,740 by 2036. The structure is 36 ft (11 m) long and 24 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesAntioch Road
CrossesCowan Creek
Location0.8 MI NW of Dailey RD
RouteCounty Highway C0012
CountyClinton County
StateOhio
Coordinates39.39075, -83.72018
Functional classRural Major Collector

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.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionNovember 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating46.7 US tons
Inventory rating31.7 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length36 ft (11 m)
Longest span34 ft (10.4 m)
Deck width24 ft (7.3 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,242 (2019)
Projected traffic2,740 by 2036
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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$45.3 million
NavigationNo navigation control on waterway

Frequently asked questions

When was Antioch Road over Cowan Creek built?

It was built in 1992, making it 33 years old in 2025.

What condition is Antioch Road over Cowan 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 November 2024.

How much traffic does Antioch Road over Cowan Creek carry?

About 2,242 vehicles per day (2019 count), of which roughly 10% are trucks.

How long is Antioch Road over Cowan Creek?

The structure is 36 ft (11 m) long with a longest span of 34 ft (10.4 m) and a deck 24 ft wide.

Who owns Antioch Road over Cowan Creek?

It is owned by the County Highway Agency.