US Bridges

T-520(MECKES Lane) over Black Creek

Poor

Carbon County, Pennsylvania · N.Of I80 I Mi.W.Of Tpke. · Structure no. 000000000009119

Built
1890
135 years old
Condition
Poor
inspected March 2023
Type
Arch - Deck
Masonry
Length
26 ft
1 main span
Daily traffic
50
1985 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

T-520(MECKES Lane) over Black Creek is a masonry arch - deck carrying T-520(MECKES Lane) over Black Creek in Carbon County, Pennsylvania. It was built in 1890, so it is 135 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 50 vehicles a day, projected to reach 250 by 2005. The structure is 26 ft (7.9 m) long and 20 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

CarriesT-520(MECKES Lane)
CrossesBlack Creek
LocationN.Of I80 I Mi.W.Of Tpke.
RouteCity Street 0T520
Coordinates41.06743, -75.71336
Functional classRural 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
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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionMarch 2023
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 geometry8: Equal to present desirable criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating54 US tons
Inventory rating36 US tons

Structure

Structure typeArch - Deck
MaterialMasonry
DeckNot applicable
Main spans1
Design loadHS 20
Structure length26 ft (7.9 m)
Longest span26 ft (7.9 m)
Deck width20 ft (6.2 m)
Roadway width16 ft (4.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (1985)
Projected traffic250 by 2005
Trucks—
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed98.8 mi (159 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerTown or Township Highway Agency
Maintained byTown or Township Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$496,000
NavigationNo navigation control on waterway

Frequently asked questions

When was T-520(MECKES Lane) over Black Creek built?

It was built in 1890, making it 135 years old in 2025.

What condition is T-520(MECKES Lane) over Black 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 March 2023.

How much traffic does T-520(MECKES Lane) over Black Creek carry?

About 50 vehicles per day (1985 count).

How long is T-520(MECKES Lane) over Black Creek?

The structure is 26 ft (7.9 m) long with a longest span of 26 ft (7.9 m) and a deck 20 ft wide.

Who owns T-520(MECKES Lane) over Black Creek?

It is owned by the Town or Township Highway Agency.