US Bridges

US 36 over Brush Run

Fair

Knox County, Ohio · 1.6 M W of Cos CO Line · Structure no. 4201957

Built
1939
86 years old, rebuilt 1982
Condition
Fair
inspected April 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
37 ft
1 main span
Daily traffic
1,645
2015 count
Owner
State
State Highway Agency

About this bridge

US 36 over Brush Run is a prestressed concrete box beam or girders - multiple carrying US 36 over Brush Run in Knox County, Ohio. It was built in 1939 and reconstructed in 1982, so it is 86 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 5 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 1,645 vehicles a day, roughly 14% of them trucks, projected to reach 2,283 by 2035. The structure is 37 ft (11.3 m) long and 30 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesUS 36
CrossesBrush Run
Location1.6 M W of Cos CO Line
RouteU.S. Route 36
CountyKnox County
StateOhio
Coordinates40.35113, -82.21594
Functional classRural Minor Arterial

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating53.6 US tons
Inventory rating30 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length37 ft (11.3 m)
Longest span33 ft (10.1 m)
Deck width30 ft (9.1 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,645 (2015)
Projected traffic2,283 by 2035
Trucks14%
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

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 US 36 over Brush Run built?

It was built in 1939, making it 86 years old in 2025. It was reconstructed in 1982.

What condition is US 36 over Brush 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 April 2024.

How much traffic does US 36 over Brush Run carry?

About 1,645 vehicles per day (2015 count), of which roughly 14% are trucks.

How long is US 36 over Brush Run?

The structure is 37 ft (11.3 m) long with a longest span of 33 ft (10.1 m) and a deck 30 ft wide.

Who owns US 36 over Brush Run?

It is owned by the State Highway Agency.