US Bridges

SR 550-PA 550 over Spring Creek

Fair

Centre County, Pennsylvania · Bellefonte · Structure no. 000000000009557

Built
1952
73 years old
Condition
Fair
inspected April 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
150 ft
3 main spans
Daily traffic
2,564
2023 count
Owner
State
State Highway Agency

About this bridge

SR 550-PA 550 over Spring Creek is a steel continuous stringer/multi-beam or girder carrying SR 550-PA 550 over Spring Creek in Centre County, Pennsylvania. It was built in 1952, so it is 73 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 2,564 vehicles a day, roughly 5% of them trucks, projected to reach 3,285 by 2043. The structure is 150 ft (45.7 m) long and 32 ft wide. If it were closed, the detour would be 26.7 mi (43 km).

Location

Open in Google Maps
CarriesSR 550-PA 550
CrossesSpring Creek
LocationBellefonte
RouteState Highway 550
CountyCentre County
StatePennsylvania
Coordinates40.90162, -77.79744
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionApril 2023
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 geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59 US tons
Inventory rating35.1 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckClosed grating
Main spans3
Design loadHS 20
Structure length150 ft (45.7 m)
Longest span73 ft (22.3 m)
Deck width32 ft (9.8 m)
Roadway width30 ft (9.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,564 (2023)
Projected traffic3,285 by 2043
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed26.7 mi (43 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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$798,000
NavigationNo navigation control on waterway

Frequently asked questions

When was SR 550-PA 550 over Spring Creek built?

It was built in 1952, making it 73 years old in 2025.

What condition is SR 550-PA 550 over Spring Creek 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 April 2023.

How much traffic does SR 550-PA 550 over Spring Creek carry?

About 2,564 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is SR 550-PA 550 over Spring Creek?

The structure is 150 ft (45.7 m) long with a longest span of 73 ft (22.3 m) and a deck 32 ft wide.

Who owns SR 550-PA 550 over Spring Creek?

It is owned by the State Highway Agency.