US Bridges

Franklin Street over Norfolk Southern (hsb)

PoorPosted for load

Montgomery County, Pennsylvania · 325 S of High ST 3138-G2 · Structure no. 000000000028232

Built
1920
105 years old
Condition
Poor
inspected October 2023
Type
Girder and Floorbeam System
Steel
Length
87 ft
1 main span
Daily traffic
750
1991 count
Owner
Railroad
Railroad

About this bridge

Franklin Street over Norfolk Southern (hsb) is a steel girder and floorbeam system carrying Franklin Street over Norfolk Southern (hsb) in Montgomery County, Pennsylvania. It was built in 1920, so it is 105 years old, older than the Pennsylvania average of 54.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 3 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.

It carries about 750 vehicles a day, projected to reach 1,050 by 2016. The structure is 87 ft (26.5 m) long and 25 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesFranklin Street
CrossesNorfolk Southern (hsb)
Location325 S of High ST 3138-G2
RouteCity Street 0
Coordinates40.2438, -75.6445
Functional classUrban Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Superstructure3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionOctober 2023
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourBridge not over waterway
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment7: Better than present minimum criteria
Operating rating18 US tons
Inventory rating11 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length87 ft (26.5 m)
Longest span79 ft (24.1 m)
Deck width25 ft (7.5 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic750 (1991)
Projected traffic1,050 by 2016
Trucks—
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway and pedestrian
CrossesRailroad
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerRailroad
Maintained byRailroad
Historic statusNot eligible for the National Register of Historic Places
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$523,000
NavigationNot applicable (no waterway)

Frequently asked questions

When was Franklin Street over Norfolk Southern (hsb) built?

It was built in 1920, making it 105 years old in 2025.

What condition is Franklin Street over Norfolk Southern (hsb) in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in October 2023.

How much traffic does Franklin Street over Norfolk Southern (hsb) carry?

About 750 vehicles per day (1991 count).

How long is Franklin Street over Norfolk Southern (hsb)?

The structure is 87 ft (26.5 m) long with a longest span of 79 ft (24.1 m) and a deck 25 ft wide.

Who owns Franklin Street over Norfolk Southern (hsb)?

It is owned by the Railroad.