US Bridges

Antioch Road over Tributary Cowan Creek

Good

Clinton County, Ohio · 480 Ft NW of Dailey RD · Structure no. 1431706

Built
1981
44 years old
Condition
Good
inspected November 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
30 ft
1 main span
Daily traffic
1,974
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 1981, so it is 44 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 1,974 vehicles a day, roughly 5% of them trucks, projected to reach 2,740 by 2036. The structure is 30 ft (9.1 m) long and 24 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesAntioch Road
CrossesTributary Cowan Creek
Location480 Ft NW of Dailey RD
RouteCounty Highway C0012
StateOhio
Coordinates39.38423, -83.70941
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
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 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 alignment9: Superior to present desirable criteria
Operating rating74.6 US tons
Inventory rating54.2 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length30 ft (9.1 m)
Longest span28 ft (8.5 m)
Deck width24 ft (7.3 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,974 (2016)
Projected traffic2,740 by 2036
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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$35.3 million
NavigationNo navigation control on waterway

Frequently asked questions

When was Antioch Road over Tributary Cowan Creek built?

It was built in 1981, making it 44 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 1,974 vehicles per day (2016 count), of which roughly 5% are trucks.

How long is Antioch Road over Tributary Cowan Creek?

The structure is 30 ft (9.1 m) long with a longest span of 28 ft (8.5 m) and a deck 24 ft wide.

Who owns Antioch Road over Tributary Cowan Creek?

It is owned by the County Highway Agency.