US Bridges

SR 550 over Mcdougall Run

Good

Athens County, Ohio · 5.4 MI E. JCT Usr 33 · Structure no. 0502294

Built
1993
32 years old
Condition
Good
inspected June 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
51 ft
1 main span
Daily traffic
667
2018 count
Owner
State
State Highway Agency

About this bridge

SR 550 over Mcdougall Run is a prestressed concrete box beam or girders - multiple carrying SR 550 over Mcdougall Run in Athens County, Ohio. It was built in 1993, so it is 32 years old, younger than the Ohio average of 47.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 667 vehicles a day, roughly 4% of them trucks, projected to reach 926 by 2038. The structure is 51 ft (15.5 m) long and 36 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesSR 550
CrossesMcdougall Run
Location5.4 MI E. JCT Usr 33
RouteState Highway 550
StateOhio
Coordinates39.40393, -82.03679
Functional classRural Minor Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating78.6 US tons
Inventory rating46.4 US tons

Structure

MaterialPrestressed Concrete
DeckNot applicable
Main spans1
Design loadHS 20 + Mod
Structure length51 ft (15.5 m)
Longest span50 ft (15.2 m)
Deck width36 ft (11 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic667 (2018)
Projected traffic926 by 2038
Trucks4%
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 SR 550 over Mcdougall Run built?

It was built in 1993, making it 32 years old in 2025.

What condition is SR 550 over Mcdougall Run in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in June 2024.

How much traffic does SR 550 over Mcdougall Run carry?

About 667 vehicles per day (2018 count), of which roughly 4% are trucks.

How long is SR 550 over Mcdougall Run?

The structure is 51 ft (15.5 m) long with a longest span of 50 ft (15.2 m) and a deck 36 ft wide.

Who owns SR 550 over Mcdougall Run?

It is owned by the State Highway Agency.