US Bridges

TR 70 a Boerger RD over Branch Buck Run

Fair

Union County, Ohio · 0.8 MI East of SR 4 · Structure no. 8031576

Built
1930
95 years old, rebuilt 2001
Condition
Fair
inspected October 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
23 ft
1 main span
Daily traffic
327
2015 count
Owner
County
County Highway Agency

About this bridge

TR 70 a Boerger RD over Branch Buck Run is a prestressed concrete box beam or girders - multiple carrying TR 70 a Boerger RD over Branch Buck Run in Union County, Ohio. It was built in 1930 and reconstructed in 2001, so it is 95 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 327 vehicles a day, roughly 5% of them trucks, projected to reach 454 by 2041. The structure is 23 ft (7 m) long and 22 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesTR 70 a Boerger RD
CrossesBranch Buck Run
Location0.8 MI East of SR 4
RouteCounty Highway T0070
CountyUnion County
StateOhio
Coordinates40.19813, -83.39965
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
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 geometry4: Meets minimum tolerable limits to be 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 typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length23 ft (7 m)
Longest span22 ft (6.7 m)
Deck width22 ft (6.7 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic327 (2015)
Projected traffic454 by 2041
Trucks5%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$40,000 (2019 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was TR 70 a Boerger RD over Branch Buck Run built?

It was built in 1930, making it 95 years old in 2025. It was reconstructed in 2001.

What condition is TR 70 a Boerger RD over Branch Buck Run 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 TR 70 a Boerger RD over Branch Buck Run carry?

About 327 vehicles per day (2015 count), of which roughly 5% are trucks.

How long is TR 70 a Boerger RD over Branch Buck Run?

The structure is 23 ft (7 m) long with a longest span of 22 ft (6.7 m) and a deck 22 ft wide.

Who owns TR 70 a Boerger RD over Branch Buck Run?

It is owned by the County Highway Agency.