US Bridges

SR 104 over Over Koch Run

Fair

Pickaway County, Ohio · 5.46 MI N of SR56 · Structure no. 6502113

Built
1979
46 years old
Condition
Fair
inspected September 2024
Type
Slab
Concrete
Length
25 ft
1 main span
Daily traffic
2,653
2015 count
Owner
State
State Highway Agency

About this bridge

SR 104 over Over Koch Run is a concrete slab carrying SR 104 over Over Koch Run in Pickaway County, Ohio. It was built in 1979, so it is 46 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 2,653 vehicles a day, roughly 9% of them trucks, projected to reach 3,682 by 2035. The structure is 25 ft (7.6 m) long and 45 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesSR 104
CrossesOver Koch Run
Location5.46 MI N of SR56
RouteState Highway 104
CountyPickaway County
StateOhio
Coordinates39.68625, -83.00514
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
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 inspectionSeptember 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating63.9 US tons
Inventory rating49.3 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length25 ft (7.6 m)
Longest span22 ft (6.7 m)
Deck width45 ft (13.8 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,653 (2015)
Projected traffic3,682 by 2035
Trucks9%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 SR 104 over Over Koch Run built?

It was built in 1979, making it 46 years old in 2025.

What condition is SR 104 over Over Koch 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 September 2024.

How much traffic does SR 104 over Over Koch Run carry?

About 2,653 vehicles per day (2015 count), of which roughly 9% are trucks.

How long is SR 104 over Over Koch Run?

The structure is 25 ft (7.6 m) long with a longest span of 22 ft (6.7 m) and a deck 45 ft wide.

Who owns SR 104 over Over Koch Run?

It is owned by the State Highway Agency.