US Bridges

Bg Swkly Crk RD over Big Sewickley Creek

Good

Allegheny County, Pennsylvania · 0.6 Mi. NW of SR 4045 · Structure no. 000000000055738

Built
2020
5 years old
Condition
Good
inspected June 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
93 ft
1 main span
Daily traffic
4,577
2024 count
Owner
State
State Highway Agency

About this bridge

Bg Swkly Crk RD over Big Sewickley Creek is a prestressed concrete box beam or girders - multiple carrying Bg Swkly Crk RD over Big Sewickley Creek in Allegheny County, Pennsylvania. It was built in 2020, so it is 5 years old, younger than the Pennsylvania average of 54.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 4,577 vehicles a day, roughly 5% of them trucks, projected to reach 4,654 by 2032. The structure is 93 ft (28.3 m) long and 41 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesBg Swkly Crk RD
CrossesBig Sewickley Creek
Location0.6 Mi. NW of SR 4045
RouteState Highway 0
Coordinates40.60924, -80.15849
Functional classUrban 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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating58.5 US tons
Inventory rating45 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length93 ft (28.3 m)
Longest span90 ft (27.4 m)
Deck width41 ft (12.5 m)
Roadway width38 ft (11.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,577 (2024)
Projected traffic4,654 by 2032
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 proposedOther structural work, including hydraulic replacements
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Bg Swkly Crk RD over Big Sewickley Creek built?

It was built in 2020, making it 5 years old in 2025.

What condition is Bg Swkly Crk RD over Big Sewickley Creek 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 Bg Swkly Crk RD over Big Sewickley Creek carry?

About 4,577 vehicles per day (2024 count), of which roughly 5% are trucks.

How long is Bg Swkly Crk RD over Big Sewickley Creek?

The structure is 93 ft (28.3 m) long with a longest span of 90 ft (27.4 m) and a deck 41 ft wide.

Who owns Bg Swkly Crk RD over Big Sewickley Creek?

It is owned by the State Highway Agency.