US Bridges

SR 4011 Grubb Road over Over SR 79 Nb/Sb

Fair

Erie County, Pennsylvania · Mckean Township · Structure no. 000000000016369

Built
1969
56 years old
Condition
Fair
inspected July 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
276 ft
5 main spans
Daily traffic
2,209
2024 count
Owner
State
State Highway Agency

About this bridge

SR 4011 Grubb Road over Over SR 79 Nb/Sb is a prestressed concrete box beam or girders - multiple carrying SR 4011 Grubb Road over Over SR 79 Nb/Sb in Erie County, Pennsylvania. It was built in 1969, so it is 56 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 2,209 vehicles a day, roughly 6% of them trucks, projected to reach 2,838 by 2032. The structure is 276 ft (84.1 m) long and 33 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

Location

Open in Google Maps
CarriesSR 4011 Grubb Road
CrossesOver SR 79 Nb/Sb
LocationMckean Township
RouteState Highway 0
CountyErie County
StatePennsylvania
Coordinates42.01611, -80.14216
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 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
ScourBridge not over waterway
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
Approach roadway alignment7: Better than present minimum criteria
Operating rating59 US tons
Inventory rating36 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans5
Design loadHS 20
Structure length276 ft (84.1 m)
Longest span65 ft (19.8 m)
Deck width33 ft (10.2 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,209 (2024)
Projected traffic2,838 by 2032
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed6.8 mi (11 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$183,000
NavigationNot applicable (no waterway)

Frequently asked questions

When was SR 4011 Grubb Road over Over SR 79 Nb/Sb built?

It was built in 1969, making it 56 years old in 2025.

What condition is SR 4011 Grubb Road over Over SR 79 Nb/Sb 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 SR 4011 Grubb Road over Over SR 79 Nb/Sb carry?

About 2,209 vehicles per day (2024 count), of which roughly 6% are trucks.

How long is SR 4011 Grubb Road over Over SR 79 Nb/Sb?

The structure is 276 ft (84.1 m) long with a longest span of 65 ft (19.8 m) and a deck 33 ft wide.

Who owns SR 4011 Grubb Road over Over SR 79 Nb/Sb?

It is owned by the State Highway Agency.