US Bridges

SR 4013 (sbl) over SR4009 8th Ave Norfolk S

Fair

Blair County, Pennsylvania · Altoona 8th St.Bridge · Structure no. 000000000005845

Built
1973
52 years old, rebuilt 2013
Condition
Fair
inspected September 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
802 ft
9 main spans
Daily traffic
7,141
2023 count
Owner
State
State Highway Agency

About this bridge

SR 4013 (sbl) over SR4009 8th Ave Norfolk S is a prestressed concrete box beam or girders - multiple carrying SR 4013 (sbl) over SR4009 8th Ave Norfolk S in Blair County, Pennsylvania. It was built in 1973 and reconstructed in 2013, so it is 52 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 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 7,141 vehicles a day, roughly 2% of them trucks, projected to reach 10,630 by 2032. The structure is 802 ft (244.4 m) long and 41 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

Open in Google Maps
CarriesSR 4013 (sbl)
CrossesSR4009 8th Ave Norfolk S
LocationAltoona 8th St.Bridge
RouteState Highway 0
CountyBlair County
StatePennsylvania
Coordinates40.51773, -78.39551
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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation4: Meets minimum tolerable limits to be 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 rating110.1 US tons
Inventory rating19 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans9
Design loadHS 20
Structure length802 ft (244.4 m)
Longest span93 ft (28.3 m)
Deck width41 ft (12.5 m)
Roadway width33 ft (10 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,141 (2023)
Projected traffic10,630 by 2032
Trucks2%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway and pedestrian
CrossesHighway and railroad
Detour if closed0.6 mi (1 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$10 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was SR 4013 (sbl) over SR4009 8th Ave Norfolk S built?

It was built in 1973, making it 52 years old in 2025. It was reconstructed in 2013.

What condition is SR 4013 (sbl) over SR4009 8th Ave Norfolk S 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 2023.

How much traffic does SR 4013 (sbl) over SR4009 8th Ave Norfolk S carry?

About 7,141 vehicles per day (2023 count), of which roughly 2% are trucks.

How long is SR 4013 (sbl) over SR4009 8th Ave Norfolk S?

The structure is 802 ft (244.4 m) long with a longest span of 93 ft (28.3 m) and a deck 41 ft wide.

Who owns SR 4013 (sbl) over SR4009 8th Ave Norfolk S?

It is owned by the State Highway Agency.