US Bridges

SR 104 over Big Run

Fair

Scioto County, Ohio · 1.83 MI N of State Rt 348 · Structure no. 7303157

Built
1940
85 years old
Condition
Fair
inspected December 2024
Type
Slab
Concrete
Length
27 ft
1 main span
Daily traffic
4,143
2022 count
Owner
State
State Highway Agency

About this bridge

SR 104 over Big Run is a concrete slab carrying SR 104 over Big Run in Scioto County, Ohio. It was built in 1940, so it is 85 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 4,143 vehicles a day, roughly 12% of them trucks, projected to reach 6,045 by 2035. The structure is 27 ft (8.2 m) long and 27 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

Location

Open in Google Maps
CarriesSR 104
CrossesBig Run
Location1.83 MI N of State Rt 348
RouteState Highway 104
CountyScioto County
StateOhio
Coordinates38.90578, -83.03207
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
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 inspectionDecember 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating46.4 US tons
Inventory rating35.7 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadH 15
Structure length27 ft (8.2 m)
Longest span22 ft (6.7 m)
Deck width27 ft (8.2 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,143 (2022)
Projected traffic6,045 by 2035
Trucks12%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed9.9 mi (16 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 Big Run built?

It was built in 1940, making it 85 years old in 2025.

What condition is SR 104 over Big 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 December 2024.

How much traffic does SR 104 over Big Run carry?

About 4,143 vehicles per day (2022 count), of which roughly 12% are trucks.

How long is SR 104 over Big Run?

The structure is 27 ft (8.2 m) long with a longest span of 22 ft (6.7 m) and a deck 27 ft wide.

Who owns SR 104 over Big Run?

It is owned by the State Highway Agency.