US Bridges

SR 0030 over Loyalhanna Creek

Fair

Westmoreland County, Pennsylvania · Derry Township · Structure no. 000000000035950

Built
1954
71 years old, rebuilt 1990
Condition
Fair
inspected September 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
293 ft
4 main spans
Daily traffic
8,105
2023 count
Owner
State
State Highway Agency

About this bridge

SR 0030 over Loyalhanna Creek is a steel continuous stringer/multi-beam or girder carrying SR 0030 over Loyalhanna Creek in Westmoreland County, Pennsylvania. It was built in 1954 and reconstructed in 1990, so it is 71 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 8,105 vehicles a day, roughly 8% of them trucks, projected to reach 10,653 by 2032. The structure is 293 ft (89.3 m) long and 44 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesSR 0030
CrossesLoyalhanna Creek
LocationDerry Township
RouteU.S. Route 30
Coordinates40.29123, -79.3549
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionSeptember 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 geometry7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating75 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 25 or greater
Structure length293 ft (89.3 m)
Longest span78 ft (23.8 m)
Deck width44 ft (13.3 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,105 (2023)
Projected traffic10,653 by 2032
Trucks8%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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$794,000
NavigationNo navigation control on waterway

Frequently asked questions

When was SR 0030 over Loyalhanna Creek built?

It was built in 1954, making it 71 years old in 2025. It was reconstructed in 1990.

What condition is SR 0030 over Loyalhanna 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 September 2024.

How much traffic does SR 0030 over Loyalhanna Creek carry?

About 8,105 vehicles per day (2023 count), of which roughly 8% are trucks.

How long is SR 0030 over Loyalhanna Creek?

The structure is 293 ft (89.3 m) long with a longest span of 78 ft (23.8 m) and a deck 44 ft wide.

Who owns SR 0030 over Loyalhanna Creek?

It is owned by the State Highway Agency.