US Bridges

TR146A Buck Run RD over Big Darby Creek

Fair

Union County, Ohio · 0.25MI N of Middleb-Pc RD · Structure no. 8033757

Built
2007
18 years old
Condition
Fair
inspected October 2024
Type
Truss - Thru
Wood or Timber
Length
165 ft
1 main span
Daily traffic
806
2015 count
Owner
County
County Highway Agency

About this bridge

TR146A Buck Run RD over Big Darby Creek is a wood or timber truss - thru carrying TR146A Buck Run RD over Big Darby Creek in Union County, Ohio. It was built in 2007, so it is 18 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 806 vehicles a day, roughly 7% of them trucks, projected to reach 1,119 by 2041. The structure is 165 ft (50.3 m) long and 28 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesTR146A Buck Run RD
CrossesBig Darby Creek
Location0.25MI N of Middleb-Pc RD
RouteCounty Highway T0146
CountyUnion County
StateOhio
Coordinates40.20969, -83.48932
Functional classRural 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
Deck8 Very GoodNo problems noted.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure9 ExcellentNo problems noted.
Channel and channel protection9 ExcellentNo problems noted.
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 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 typeTruss - Thru
MaterialWood or Timber
DeckWood or timber
Main spans1
Design loadHS 20 + Mod
Structure length165 ft (50.3 m)
Longest span160 ft (48.8 m)
Deck width28 ft (8.5 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deck16 ft (4.9 m)

Traffic and service

Average daily traffic806 (2015)
Projected traffic1,119 by 2041
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 TR146A Buck Run RD over Big Darby Creek built?

It was built in 2007, making it 18 years old in 2025.

What condition is TR146A Buck Run RD over Big Darby 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 TR146A Buck Run RD over Big Darby Creek carry?

About 806 vehicles per day (2015 count), of which roughly 7% are trucks.

How long is TR146A Buck Run RD over Big Darby Creek?

The structure is 165 ft (50.3 m) long with a longest span of 160 ft (48.8 m) and a deck 28 ft wide.

Who owns TR146A Buck Run RD over Big Darby Creek?

It is owned by the County Highway Agency.