US Bridges

Smith Road over Tributary of Mill Creek

Fair

Butler County, Ohio · 0.5 W of SR 747 · Structure no. 0935972

Built
1999
26 years old
Condition
Fair
inspected March 2024
Type
Culvert
Concrete
Length
26 ft
1 main span
Daily traffic
10,177
2015 count
Owner
County
County Highway Agency

About this bridge

Smith Road over Tributary of Mill Creek is a concrete culvert carrying Smith Road over Tributary of Mill Creek in Butler County, Ohio. It was built in 1999, so it is 26 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 10,177 vehicles a day, roughly 5% of them trucks, projected to reach 14,126 by 2035. The structure is 26 ft (7.9 m) long. If it were closed, the detour would be 1.2 mi (2 km).

CarriesSmith Road
CrossesTributary of Mill Creek
Location0.5 W of SR 747
RouteCounty Highway T0124
StateOhio
Coordinates39.352, -84.47087
Functional classUrban Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
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
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment9: Superior to present desirable criteria
Operating rating45 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHS 20
Structure length26 ft (7.9 m)
Longest span25 ft (7.6 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10,177 (2015)
Projected traffic14,126 by 2035
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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 Smith Road over Tributary of Mill Creek built?

It was built in 1999, making it 26 years old in 2025.

What condition is Smith Road over Tributary of Mill 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 Smith Road over Tributary of Mill Creek carry?

About 10,177 vehicles per day (2015 count), of which roughly 5% are trucks.

How long is Smith Road over Tributary of Mill Creek?

The structure is 26 ft (7.9 m) long with a longest span of 25 ft (7.6 m).

Who owns Smith Road over Tributary of Mill Creek?

It is owned by the County Highway Agency.