US Bridges

Pa 61 (lr 718) over Mahanoy Creek

Fair

Schuylkill County, Pennsylvania · Ashland · Structure no. 000000000030549

Built
1940
85 years old, rebuilt 1987
Condition
Fair
inspected June 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
56 ft
1 main span
Daily traffic
5,676
2023 count
Owner
State
State Highway Agency

About this bridge

Pa 61 (lr 718) over Mahanoy Creek is a steel stringer/multi-beam or girder carrying Pa 61 (lr 718) over Mahanoy Creek in Schuylkill County, Pennsylvania. It was built in 1940 and reconstructed in 1987, so it is 85 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 5,676 vehicles a day, roughly 5% of them trucks, projected to reach 9,736 by 2032. The structure is 56 ft (17.1 m) long and 45 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

CarriesPa 61 (lr 718)
CrossesMahanoy Creek
LocationAshland
RouteState Highway 61
Coordinates40.77987, -76.33694
Functional classUrban Other Principal Arterial

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJune 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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating92 US tons
Inventory rating55 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 25 or greater
Structure length56 ft (17.1 m)
Longest span51 ft (15.5 m)
Deck width45 ft (13.8 m)
Roadway width38 ft (11.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,676 (2023)
Projected traffic9,736 by 2032
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed6.8 mi (11 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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—
NavigationNo navigation control on waterway

Frequently asked questions

When was Pa 61 (lr 718) over Mahanoy Creek built?

It was built in 1940, making it 85 years old in 2025. It was reconstructed in 1987.

What condition is Pa 61 (lr 718) 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 June 2024.

How much traffic does Pa 61 (lr 718) over Mahanoy Creek carry?

About 5,676 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is Pa 61 (lr 718) over Mahanoy Creek?

The structure is 56 ft (17.1 m) long with a longest span of 51 ft (15.5 m) and a deck 45 ft wide.

Who owns Pa 61 (lr 718) over Mahanoy Creek?

It is owned by the State Highway Agency.