US Bridges

SR122 over Four Mile Creek

Fair

Preble County, Ohio · 1.6 MI E of In/Oh Line · Structure no. 6801900

Built
1982
43 years old
Condition
Fair
inspected March 2024
Type
Slab
Concrete Continuous
Length
74 ft
3 main spans
Daily traffic
877
2015 count
Owner
State
State Highway Agency

About this bridge

SR122 over Four Mile Creek is a concrete continuous slab carrying SR122 over Four Mile Creek 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 877 vehicles a day, roughly 9% of them trucks, projected to reach 1,217 by 2035. The structure is 74 ft (22.6 m) long and 41 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesSR122
CrossesFour Mile Creek
Location1.6 MI E of In/Oh Line
RouteState Highway 122
StateOhio
Coordinates39.74357, -84.78514
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 inspectionMarch 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry8: Equal to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment9: Superior to present desirable criteria
Operating rating57.1 US tons
Inventory rating35.7 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length74 ft (22.6 m)
Longest span28 ft (8.5 m)
Deck width41 ft (12.6 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic877 (2015)
Projected traffic1,217 by 2035
Trucks9%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 SR122 over Four Mile Creek built?

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

What condition is SR122 over Four Mile 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 March 2024.

How much traffic does SR122 over Four Mile Creek carry?

About 877 vehicles per day (2015 count), of which roughly 9% are trucks.

How long is SR122 over Four Mile Creek?

The structure is 74 ft (22.6 m) long with a longest span of 28 ft (8.5 m) and a deck 41 ft wide.

Who owns SR122 over Four Mile Creek?

It is owned by the State Highway Agency.