US Bridges

Railroad ST over Mahanoy Creek

Poor

Schuylkill County, Pennsylvania · Railroad ST in Gilberton · Structure no. 000000000030987

Built
1910
115 years old, rebuilt 1996
Condition
Poor
inspected July 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
29 ft
1 main span
Daily traffic
20
1985 count
Owner
City
City or Municipal Highway Agency

About this bridge

Railroad ST over Mahanoy Creek is a steel stringer/multi-beam or girder carrying Railroad ST over Mahanoy Creek in Schuylkill County, Pennsylvania. It was built in 1910 and reconstructed in 1996, so it is 115 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 20 vehicles a day, projected to reach 28 by 2005. The structure is 29 ft (8.8 m) long and 15 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

Location

Open in Google Maps
CarriesRailroad ST
CrossesMahanoy Creek
LocationRailroad ST in Gilberton
RouteCity Street 0
CountySchuylkill County
StatePennsylvania
Coordinates40.79242, -76.24705
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating110 US tons
Inventory rating66 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckWood or timber
Main spans1
Design loadHS 25 or greater
Structure length29 ft (8.8 m)
Longest span26 ft (7.9 m)
Deck width15 ft (4.5 m)
Roadway width12 ft (3.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic20 (1985)
Projected traffic28 by 2005
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed98.8 mi (159 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$43,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Railroad ST over Mahanoy Creek built?

It was built in 1910, making it 115 years old in 2025. It was reconstructed in 1996.

What condition is Railroad ST 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 July 2024.

How much traffic does Railroad ST over Mahanoy Creek carry?

About 20 vehicles per day (1985 count).

How long is Railroad ST over Mahanoy Creek?

The structure is 29 ft (8.8 m) long with a longest span of 26 ft (7.9 m) and a deck 15 ft wide.

Who owns Railroad ST over Mahanoy Creek?

It is owned by the City or Municipal Highway Agency.