US Bridges

Pa 147; S River RD over Norfolk Southern RR

Fair

Dauphin County, Pennsylvania · Over R.R. @ Inglenook · Structure no. 000000000014293

Built
1984
41 years old
Condition
Fair
inspected September 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
210 ft
2 main spans
Daily traffic
6,935
2024 count
Owner
State
State Highway Agency

About this bridge

Pa 147; S River RD over Norfolk Southern RR is a steel continuous stringer/multi-beam or girder carrying Pa 147; S River RD over Norfolk Southern RR in Dauphin County, Pennsylvania. It was built in 1984, so it is 41 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 6,935 vehicles a day, roughly 10% of them trucks, projected to reach 8,276 by 2032. The structure is 210 ft (64 m) long and 44 ft wide. If it were closed, the detour would be 11.8 mi (19 km).

Location

Open in Google Maps
CarriesPa 147; S River RD
CrossesNorfolk Southern RR
LocationOver R.R. @ Inglenook
RouteState Highway 147
CountyDauphin County
StatePennsylvania
Coordinates40.41309, -76.9814
Functional classRural Minor 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.
Substructure5 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
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating86 US tons
Inventory rating52 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 25 or greater
Structure length210 ft (64 m)
Longest span103 ft (31.4 m)
Deck width44 ft (13.3 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,935 (2024)
Projected traffic8,276 by 2032
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesRailroad
Detour if closed11.8 mi (19 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 proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Pa 147; S River RD over Norfolk Southern RR built?

It was built in 1984, making it 41 years old in 2025.

What condition is Pa 147; S River RD over Norfolk Southern RR 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 Pa 147; S River RD over Norfolk Southern RR carry?

About 6,935 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is Pa 147; S River RD over Norfolk Southern RR?

The structure is 210 ft (64 m) long with a longest span of 103 ft (31.4 m) and a deck 44 ft wide.

Who owns Pa 147; S River RD over Norfolk Southern RR?

It is owned by the State Highway Agency.