US Bridges

SR 674 over Big Run

Fair

Pickaway County, Ohio · 4.94 MI N of SR752 · Structure no. 6503578

Built
1956
69 years old
Condition
Fair
inspected December 2024
Type
Culvert
Steel
Length
36 ft
2 main spans
Daily traffic
4,528
2015 count
Owner
State
State Highway Agency

About this bridge

SR 674 over Big Run is a steel culvert carrying SR 674 over Big Run in Pickaway County, Ohio. It was built in 1956, so it is 69 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 4,528 vehicles a day, roughly 5% of them trucks, projected to reach 6,285 by 2035. The structure is 36 ft (10.9 m) long. If it were closed, the detour would be 21.7 mi (35 km).

Location

Open in Google Maps
CarriesSR 674
CrossesBig Run
Location4.94 MI N of SR752
RouteState Highway 674
CountyPickaway County
StateOhio
Coordinates39.79414, -82.82435
Functional classUrban 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
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
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
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 typeCulvert
MaterialSteel
DeckNot applicable
Main spans2
Design loadH 15
Structure length36 ft (10.9 m)
Longest span16 ft (4.8 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,528 (2015)
Projected traffic6,285 by 2035
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed21.7 mi (35 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 674 over Big Run built?

It was built in 1956, making it 69 years old in 2025.

What condition is SR 674 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 674 over Big Run carry?

About 4,528 vehicles per day (2015 count), of which roughly 5% are trucks.

How long is SR 674 over Big Run?

The structure is 36 ft (10.9 m) long with a longest span of 16 ft (4.8 m).

Who owns SR 674 over Big Run?

It is owned by the State Highway Agency.