US Bridges

Black Creek RD over Mahanoy Ck.Flood Plain

Fair

Schuylkill County, Pennsylvania · 750 Ft West of SR 901 7 · Structure no. 000000000030865

Built
1946
79 years old, rebuilt 1955
Condition
Fair
inspected April 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
54 ft
1 main span
Daily traffic
50
1981 count
Owner
County
County Highway Agency

About this bridge

Black Creek RD over Mahanoy Ck.Flood Plain is a steel stringer/multi-beam or girder carrying Black Creek RD over Mahanoy Ck.Flood Plain in Schuylkill County, Pennsylvania. It was built in 1946 and reconstructed in 1955, so it is 79 years old, older 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 50 vehicles a day, projected to reach 61 by 2001. The structure is 54 ft (16.5 m) long and 35 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesBlack Creek RD
CrossesMahanoy Ck.Flood Plain
Location750 Ft West of SR 901 7
RouteCity Street 0
Coordinates40.74891, -76.38816
Functional classRural 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 protection7 GoodSome minor problems.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry8: Equal to present desirable criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating56 US tons
Inventory rating33 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length54 ft (16.5 m)
Longest span51 ft (15.5 m)
Deck width35 ft (10.6 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (1981)
Projected traffic61 by 2001
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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$72,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Black Creek RD over Mahanoy Ck.Flood Plain built?

It was built in 1946, making it 79 years old in 2025. It was reconstructed in 1955.

What condition is Black Creek RD over Mahanoy Ck.Flood Plain 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 April 2024.

How much traffic does Black Creek RD over Mahanoy Ck.Flood Plain carry?

About 50 vehicles per day (1981 count).

How long is Black Creek RD over Mahanoy Ck.Flood Plain?

The structure is 54 ft (16.5 m) long with a longest span of 51 ft (15.5 m) and a deck 35 ft wide.

Who owns Black Creek RD over Mahanoy Ck.Flood Plain?

It is owned by the County Highway Agency.