US Bridges

Shaft ST over Mahanoy Creek

Fair

Schuylkill County, Pennsylvania · Shaft ST in Gilbrton Boro · Structure no. 000000000030988

Built
1990
35 years old
Condition
Fair
inspected September 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
36 ft
1 main span
Daily traffic
200
1985 count
Owner
City
City or Municipal Highway Agency

About this bridge

Shaft ST over Mahanoy Creek is a prestressed concrete box beam or girders - multiple carrying Shaft ST over Mahanoy Creek in Schuylkill County, Pennsylvania. It was built in 1990, so it is 35 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 200 vehicles a day, roughly 1% of them trucks, projected to reach 280 by 2005. The structure is 36 ft (11 m) long and 29 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

Location

Open in Google Maps
CarriesShaft ST
CrossesMahanoy Creek
LocationShaft ST in Gilbrton Boro
RouteCity Street 0
CountySchuylkill County
StatePennsylvania
Coordinates40.79911, -76.20892
Functional classUrban Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

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.
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; scour within limits of footing or piles
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
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating84 US tons
Inventory rating38 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 25 or greater
Structure length36 ft (11 m)
Longest span34 ft (10.4 m)
Deck width29 ft (8.7 m)
Roadway width25 ft (7.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic200 (1985)
Projected traffic280 by 2005
Trucks1%
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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Shaft ST over Mahanoy Creek built?

It was built in 1990, making it 35 years old in 2025.

What condition is Shaft ST over Mahanoy Creek 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 2023.

How much traffic does Shaft ST over Mahanoy Creek carry?

About 200 vehicles per day (1985 count), of which roughly 1% are trucks.

How long is Shaft ST over Mahanoy Creek?

The structure is 36 ft (11 m) long with a longest span of 34 ft (10.4 m) and a deck 29 ft wide.

Who owns Shaft ST over Mahanoy Creek?

It is owned by the City or Municipal Highway Agency.