US Bridges

Pa 403 Ferndale over Stonycreek River

Fair

Cambria County, Pennsylvania · 0.6 Mi.S.Sr 756 Ferndale · Structure no. 000000000008517

Built
1937
88 years old, rebuilt 2008
Condition
Fair
inspected October 2024
Type
Truss - Thru
Steel
Length
237 ft
1 main span
Daily traffic
4,584
2024 count
Owner
State
State Highway Agency

About this bridge

Pa 403 Ferndale over Stonycreek River is a steel truss - thru carrying Pa 403 Ferndale over Stonycreek River in Cambria County, Pennsylvania. It was built in 1937 and reconstructed in 2008, so it is 88 years old, older than the Pennsylvania average of 54.8 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 4,584 vehicles a day, roughly 6% of them trucks, projected to reach 8,290 by 2032. The structure is 237 ft (72.2 m) long and 36 ft wide. If it were closed, the detour would be 11.2 mi (18 km).

Location

Open in Google Maps
CarriesPa 403 Ferndale
CrossesStonycreek River
Location0.6 Mi.S.Sr 756 Ferndale
RouteState Highway 403
CountyCambria County
StatePennsylvania
Coordinates40.29371, -78.91885
Functional classUrban Other Principal 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
Deck7 GoodSome minor problems.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating75 US tons
Inventory rating34 US tons

Structure

Structure typeTruss - Thru
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length237 ft (72.2 m)
Longest span230 ft (70.1 m)
Deck width36 ft (11.1 m)
Roadway width34 ft (10.5 m)
Vertical clearance over deck16 ft (4.8 m)

Traffic and service

Average daily traffic4,584 (2024)
Projected traffic8,290 by 2032
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed11.2 mi (18 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$2.9 million
NavigationNo navigation control on waterway

Frequently asked questions

When was Pa 403 Ferndale over Stonycreek River built?

It was built in 1937, making it 88 years old in 2025. It was reconstructed in 2008.

What condition is Pa 403 Ferndale over Stonycreek River 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 October 2024.

How much traffic does Pa 403 Ferndale over Stonycreek River carry?

About 4,584 vehicles per day (2024 count), of which roughly 6% are trucks.

How long is Pa 403 Ferndale over Stonycreek River?

The structure is 237 ft (72.2 m) long with a longest span of 230 ft (70.1 m) and a deck 36 ft wide.

Who owns Pa 403 Ferndale over Stonycreek River?

It is owned by the State Highway Agency.