US Bridges

SR 122 over Aukerman Creek

Fair

Preble County, Ohio · 1.21 MI W of Gratis · Structure no. 6802168

Built
1950
75 years old, rebuilt 2022
Condition
Fair
inspected October 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
198 ft
3 main spans
Daily traffic
3,437
2015 count
Owner
State
State Highway Agency

About this bridge

SR 122 over Aukerman Creek is a steel continuous stringer/multi-beam or girder carrying SR 122 over Aukerman Creek in Preble County, Ohio. It was built in 1950 and reconstructed in 2022, so it is 75 years old, older 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 3,437 vehicles a day, roughly 8% of them trucks, projected to reach 4,771 by 2035. The structure is 198 ft (60.4 m) long and 37 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesSR 122
CrossesAukerman Creek
Location1.21 MI W of Gratis
RouteState Highway 122
CountyPreble County
StateOhio
Coordinates39.65396, -84.53925
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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating46.4 US tons
Inventory rating35.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 15
Structure length198 ft (60.4 m)
Longest span75 ft (22.9 m)
Deck width37 ft (11.2 m)
Roadway width34 ft (10.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,437 (2015)
Projected traffic4,771 by 2035
Trucks8%
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

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedOther structural work, including hydraulic replacements
Estimated improvement cost$440,000
NavigationNo navigation control on waterway

Frequently asked questions

When was SR 122 over Aukerman Creek built?

It was built in 1950, making it 75 years old in 2025. It was reconstructed in 2022.

What condition is SR 122 over Aukerman 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 October 2024.

How much traffic does SR 122 over Aukerman Creek carry?

About 3,437 vehicles per day (2015 count), of which roughly 8% are trucks.

How long is SR 122 over Aukerman Creek?

The structure is 198 ft (60.4 m) long with a longest span of 75 ft (22.9 m) and a deck 37 ft wide.

Who owns SR 122 over Aukerman Creek?

It is owned by the State Highway Agency.