US Bridges

Mauch Chunk ST over Little Schuylkill River

Fair

Schuylkill County, Pennsylvania · On Mauch Chunk St.Tamaqua · Structure no. 000000000031015

Built
1893
132 years old, rebuilt 1997
Condition
Fair
inspected March 2024
Type
Arch - Deck
Masonry
Length
82 ft
2 main spans
Daily traffic
3,000
2000 count
Owner
City
City or Municipal Highway Agency

About this bridge

Mauch Chunk ST over Little Schuylkill River is a masonry arch - deck carrying Mauch Chunk ST over Little Schuylkill River in Schuylkill County, Pennsylvania. It was built in 1893 and reconstructed in 1997, so it is 132 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 3,000 vehicles a day, roughly 1% of them trucks, projected to reach 3,100 by 2020. The structure is 82 ft (25 m) long and 46 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesMauch Chunk ST
CrossesLittle Schuylkill River
LocationOn Mauch Chunk St.Tamaqua
RouteCity Street 0
Coordinates40.79877, -75.96749
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
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36 US tons
Inventory rating24 US tons

Structure

Structure typeArch - Deck
MaterialMasonry
DeckNot applicable
Main spans2
Design loadUnknown
Structure length82 ft (25 m)
Longest span35 ft (10.7 m)
Deck width46 ft (14 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,000 (2000)
Projected traffic3,100 by 2020
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.2 mi (2 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$531,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Mauch Chunk ST over Little Schuylkill River built?

It was built in 1893, making it 132 years old in 2025. It was reconstructed in 1997.

What condition is Mauch Chunk ST over Little Schuylkill River 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 March 2024.

How much traffic does Mauch Chunk ST over Little Schuylkill River carry?

About 3,000 vehicles per day (2000 count), of which roughly 1% are trucks.

How long is Mauch Chunk ST over Little Schuylkill River?

The structure is 82 ft (25 m) long with a longest span of 35 ft (10.7 m) and a deck 46 ft wide.

Who owns Mauch Chunk ST over Little Schuylkill River?

It is owned by the City or Municipal Highway Agency.