US Bridges

SR 4013 Nbl over Norfolk So. RR & 8th Ave

Fair

Blair County, Pennsylvania · 7th Street Bridge · Structure no. 000000000042872

Built
2005
20 years old, rebuilt 2013
Condition
Fair
inspected November 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
541 ft
5 main spans
Daily traffic
9,864
2023 count
Owner
State
State Highway Agency

About this bridge

SR 4013 Nbl over Norfolk So. RR & 8th Ave is a prestressed concrete box beam or girders - multiple carrying SR 4013 Nbl over Norfolk So. RR & 8th Ave in Blair County, Pennsylvania. It was built in 2005 and reconstructed in 2013, so it is 20 years old, younger 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 9,864 vehicles a day, roughly 4% of them trucks, projected to reach 17,114 by 2032. The structure is 541 ft (164.9 m) long and 49 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

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CarriesSR 4013 Nbl
CrossesNorfolk So. RR & 8th Ave
Location7th Street Bridge
RouteState Highway 0
CountyBlair County
StatePennsylvania
Coordinates40.51827, -78.39454
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.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating75.9 US tons
Inventory rating45 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans5 (+1 approach)
Design loadHL 93
Structure length541 ft (164.9 m)
Longest span128 ft (39 m)
Deck width49 ft (14.9 m)
Roadway width38 ft (11.5 m)
Vertical clearance over deck17 ft (5.3 m)

Traffic and service

Average daily traffic9,864 (2023)
Projected traffic17,114 by 2032
Trucks4%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway and pedestrian
CrossesHighway and railroad
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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was SR 4013 Nbl over Norfolk So. RR & 8th Ave built?

It was built in 2005, making it 20 years old in 2025. It was reconstructed in 2013.

What condition is SR 4013 Nbl over Norfolk So. RR & 8th Ave 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 November 2023.

How much traffic does SR 4013 Nbl over Norfolk So. RR & 8th Ave carry?

About 9,864 vehicles per day (2023 count), of which roughly 4% are trucks.

How long is SR 4013 Nbl over Norfolk So. RR & 8th Ave?

The structure is 541 ft (164.9 m) long with a longest span of 128 ft (39 m) and a deck 49 ft wide.

Who owns SR 4013 Nbl over Norfolk So. RR & 8th Ave?

It is owned by the State Highway Agency.