US Bridges

SR3011 over Blacklick Creek

Fair

Indiana County, Pennsylvania · Grafton · Structure no. 000000000019330

Built
1953
72 years old
Condition
Fair
inspected July 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
415 ft
4 main spans
Daily traffic
1,196
2024 count
Owner
State
State Highway Agency

About this bridge

SR3011 over Blacklick Creek is a steel continuous stringer/multi-beam or girder carrying SR3011 over Blacklick Creek in Indiana County, Pennsylvania. It was built in 1953, so it is 72 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 6 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 1,196 vehicles a day, roughly 15% of them trucks, projected to reach 2,676 by 2032. The structure is 415 ft (126.5 m) long and 26 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesSR3011
CrossesBlacklick Creek
LocationGrafton
RouteState Highway 0
Coordinates40.47344, -79.20316
Functional classRural Major Collector

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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation6: Equal to present minimum 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 rating86 US tons
Inventory rating66 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHL 93
Structure length415 ft (126.5 m)
Longest span115 ft (35.1 m)
Deck width26 ft (7.9 m)
Roadway width24 ft (7.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,196 (2024)
Projected traffic2,676 by 2032
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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 proposedDeck rehabilitation with only incidental widening
Estimated improvement cost$785,000
NavigationNo navigation control on waterway

Frequently asked questions

When was SR3011 over Blacklick Creek built?

It was built in 1953, making it 72 years old in 2025.

What condition is SR3011 over Blacklick 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 July 2024.

How much traffic does SR3011 over Blacklick Creek carry?

About 1,196 vehicles per day (2024 count), of which roughly 15% are trucks.

How long is SR3011 over Blacklick Creek?

The structure is 415 ft (126.5 m) long with a longest span of 115 ft (35.1 m) and a deck 26 ft wide.

Who owns SR3011 over Blacklick Creek?

It is owned by the State Highway Agency.