US Bridges

Main ST over Schuylkill River

PoorPosted for load

Schuylkill County, Pennsylvania · Middleport Boro Main St. · Structure no. 000000000030999

Built
1940
85 years old
Condition
Poor
inspected June 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
55 ft
1 main span
Daily traffic
250
1985 count
Owner
City
City or Municipal Highway Agency

About this bridge

Main ST over Schuylkill River is a steel stringer/multi-beam or girder carrying Main ST over Schuylkill River in Schuylkill County, Pennsylvania. It was built in 1940, so it is 85 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 4 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 other load-capacity restriction.

It carries about 250 vehicles a day, roughly 1% of them trucks, projected to reach 350 by 2005. The structure is 55 ft (16.8 m) long and 41 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesMain ST
CrossesSchuylkill River
LocationMiddleport Boro Main St.
RouteCity Street 0
Coordinates40.72928, -76.08579
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusPosted for other load-capacity restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating51 US tons
Inventory rating31 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadH 20
Structure length55 ft (16.8 m)
Longest span52 ft (15.8 m)
Deck width41 ft (12.6 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic250 (1985)
Projected traffic350 by 2005
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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$163,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Main ST over Schuylkill River built?

It was built in 1940, making it 85 years old in 2025.

What condition is Main ST over Schuylkill River 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 June 2024.

How much traffic does Main ST over Schuylkill River carry?

About 250 vehicles per day (1985 count), of which roughly 1% are trucks.

How long is Main ST over Schuylkill River?

The structure is 55 ft (16.8 m) long with a longest span of 52 ft (15.8 m) and a deck 41 ft wide.

Who owns Main ST over Schuylkill River?

It is owned by the City or Municipal Highway Agency.