US Bridges

St. Johns Road over Chickasaw Creek

Good

Mercer County, Ohio · 0.4 Mi. N. Amsterdam RD · Structure no. 5453674

Built
1996
29 years old
Condition
Good
inspected October 2024
Type
Frame
Concrete
Length
24 ft
1 main span
Daily traffic
190
2015 count
Owner
County
County Highway Agency

About this bridge

St. Johns Road over Chickasaw Creek is a concrete frame carrying St. Johns Road over Chickasaw Creek in Mercer County, Ohio. It was built in 1996, so it is 29 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 190 vehicles a day, roughly 7% of them trucks, projected to reach 264 by 2035. The structure is 24 ft (7.3 m) long and 56 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesSt. Johns Road
CrossesChickasaw Creek
Location0.4 Mi. N. Amsterdam RD
RouteCounty Highway C0171
StateOhio
Coordinates40.428, -84.47425
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations on dry land well above flood water elevations
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating46.4 US tons
Inventory rating35.7 US tons

Structure

Structure typeFrame
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length24 ft (7.3 m)
Longest span24 ft (7.3 m)
Deck width56 ft (17.1 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic190 (2015)
Projected traffic264 by 2035
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 St. Johns Road over Chickasaw Creek built?

It was built in 1996, making it 29 years old in 2025.

What condition is St. Johns Road over Chickasaw 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 October 2024.

How much traffic does St. Johns Road over Chickasaw Creek carry?

About 190 vehicles per day (2015 count), of which roughly 7% are trucks.

How long is St. Johns Road over Chickasaw Creek?

The structure is 24 ft (7.3 m) long with a longest span of 24 ft (7.3 m) and a deck 56 ft wide.

Who owns St. Johns Road over Chickasaw Creek?

It is owned by the County Highway Agency.