US Bridges

Antioch Road over Tributary Cowan Creek

Good

Clinton County, Ohio · 2 MI SE of SR 73 · Structure no. 1431757

Built
1988
37 years old
Condition
Good
inspected November 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
26 ft
1 main span
Daily traffic
2,222
2016 count
Owner
County
County Highway Agency

About this bridge

Antioch Road over Tributary Cowan Creek is a prestressed concrete box beam or girders - multiple carrying Antioch Road over Tributary Cowan Creek in Clinton County, Ohio. It was built in 1988, so it is 37 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 2,222 vehicles a day, roughly 5% of them trucks, projected to reach 3,084 by 2036. The structure is 26 ft (7.9 m) long and 24 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesAntioch Road
CrossesTributary Cowan Creek
Location2 MI SE of SR 73
RouteCounty Highway C0012
StateOhio
Coordinates39.40025, -83.73522
Functional classRural Major Collector

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.
Substructure8 Very GoodNo problems noted.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than 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 rating46.1 US tons
Inventory rating34 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length26 ft (7.9 m)
Longest span24 ft (7.3 m)
Deck width24 ft (7.3 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,222 (2016)
Projected traffic3,084 by 2036
Trucks5%
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$31.6 million
NavigationNo navigation control on waterway

Frequently asked questions

When was Antioch Road over Tributary Cowan Creek built?

It was built in 1988, making it 37 years old in 2025.

What condition is Antioch Road over Tributary Cowan 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 Antioch Road over Tributary Cowan Creek carry?

About 2,222 vehicles per day (2016 count), of which roughly 5% are trucks.

How long is Antioch Road over Tributary Cowan Creek?

The structure is 26 ft (7.9 m) long with a longest span of 24 ft (7.3 m) and a deck 24 ft wide.

Who owns Antioch Road over Tributary Cowan Creek?

It is owned by the County Highway Agency.