US Bridges

William Street over Mahanoy Creek

Poor

Schuylkill County, Pennsylvania · Williams St.N.Of Oak St. · Structure no. 000000000030995

Built
1920
105 years old, rebuilt 1980
Condition
Poor
inspected September 2023
Type
Arch - Deck
Concrete
Length
37 ft
1 main span
Daily traffic
300
1981 count
Owner
County
County Highway Agency

About this bridge

William Street over Mahanoy Creek is a concrete arch - deck carrying William Street over Mahanoy Creek in Schuylkill County, Pennsylvania. It was built in 1920 and reconstructed in 1980, 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 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.

It carries about 300 vehicles a day, roughly 1% of them trucks, projected to reach 420 by 2001. The structure is 37 ft (11.3 m) long and 41 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesWilliam Street
CrossesMahanoy Creek
LocationWilliams St.N.Of Oak St.
RouteCity Street 0
Coordinates40.7921, -76.2862
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
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating54 US tons
Inventory rating36 US tons

Structure

Structure typeArch - Deck
MaterialConcrete
DeckNot applicable
Main spans1
Design loadUnknown
Structure length37 ft (11.3 m)
Longest span37 ft (11.3 m)
Deck width41 ft (12.6 m)
Roadway width27 ft (8.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic300 (1981)
Projected traffic420 by 2001
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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$116,000
NavigationNo navigation control on waterway

Frequently asked questions

When was William Street over Mahanoy Creek built?

It was built in 1920, making it 105 years old in 2025. It was reconstructed in 1980.

What condition is William Street over Mahanoy Creek 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 September 2023.

How much traffic does William Street over Mahanoy Creek carry?

About 300 vehicles per day (1981 count), of which roughly 1% are trucks.

How long is William Street over Mahanoy Creek?

The structure is 37 ft (11.3 m) long with a longest span of 37 ft (11.3 m) and a deck 41 ft wide.

Who owns William Street over Mahanoy Creek?

It is owned by the County Highway Agency.