US Bridges

SR 504 over Black Moshannon Creek

Good

Centre County, Pennsylvania · Black Moshannon Park · Structure no. 000000000046026

Built
2010
15 years old
Condition
Good
inspected April 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
66 ft
1 main span
Daily traffic
558
2023 count
Owner
State
State Highway Agency

About this bridge

SR 504 over Black Moshannon Creek is a prestressed concrete box beam or girders - multiple carrying SR 504 over Black Moshannon Creek in Centre County, Pennsylvania. It was built in 2010, so it is 15 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 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 558 vehicles a day, roughly 8% of them trucks, projected to reach 745 by 2043. The structure is 66 ft (20.1 m) long and 35 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesSR 504
CrossesBlack Moshannon Creek
LocationBlack Moshannon Park
RouteState Highway 504
CountyCentre County
StatePennsylvania
Coordinates40.91498, -78.06011
Functional classRural Major Collector

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.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection9 ExcellentNo problems noted.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating76.4 US tons
Inventory rating43.5 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length66 ft (20.1 m)
Longest span63 ft (19.2 m)
Deck width35 ft (10.8 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic558 (2023)
Projected traffic745 by 2043
Trucks8%
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 504 over Black Moshannon Creek built?

It was built in 2010, making it 15 years old in 2025.

What condition is SR 504 over Black Moshannon 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 April 2023.

How much traffic does SR 504 over Black Moshannon Creek carry?

About 558 vehicles per day (2023 count), of which roughly 8% are trucks.

How long is SR 504 over Black Moshannon Creek?

The structure is 66 ft (20.1 m) long with a longest span of 63 ft (19.2 m) and a deck 35 ft wide.

Who owns SR 504 over Black Moshannon Creek?

It is owned by the State Highway Agency.