US Bridges

SR121 over East Fork Whitewater R

Fair

Preble County, Ohio · 1.5 MI S of Dar CO Line · Structure no. 6801811

Built
1982
43 years old
Condition
Fair
inspected January 2025
Type
Slab
Concrete Continuous
Length
87 ft
3 main spans
Daily traffic
1,959
2015 count
Owner
State
State Highway Agency

About this bridge

SR121 over East Fork Whitewater R is a concrete continuous slab carrying SR121 over East Fork Whitewater R in Preble County, Ohio. It was built in 1982, so it is 43 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 1,959 vehicles a day, roughly 7% of them trucks, projected to reach 2,719 by 2035. The structure is 87 ft (26.5 m) long and 41 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Location

Open in Google Maps
CarriesSR121
CrossesEast Fork Whitewater R
Location1.5 MI S of Dar CO Line
RouteState Highway 121
CountyPreble County
StateOhio
Coordinates39.89856, -84.77623
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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJanuary 2025
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 adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating50.7 US tons
Inventory rating35.4 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length87 ft (26.5 m)
Longest span33 ft (10.1 m)
Deck width41 ft (12.6 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,959 (2015)
Projected traffic2,719 by 2035
Trucks7%
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

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 SR121 over East Fork Whitewater R built?

It was built in 1982, making it 43 years old in 2025.

What condition is SR121 over East Fork Whitewater R 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 January 2025.

How much traffic does SR121 over East Fork Whitewater R carry?

About 1,959 vehicles per day (2015 count), of which roughly 7% are trucks.

How long is SR121 over East Fork Whitewater R?

The structure is 87 ft (26.5 m) long with a longest span of 33 ft (10.1 m) and a deck 41 ft wide.

Who owns SR121 over East Fork Whitewater R?

It is owned by the State Highway Agency.