US Bridges

Stone Mountain RD over Lizard Creek

PoorPosted for load

Carbon County, Pennsylvania · S.Of SR 895 Nr.Sch.Co.Lin · Structure no. 000000000009112

Built
1984
41 years old
Condition
Poor
inspected November 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
58 ft
1 main span
Daily traffic
300
1979 count
Owner
County
County Highway Agency

About this bridge

Stone Mountain RD over Lizard Creek is a prestressed concrete box beam or girders - multiple carrying Stone Mountain RD over Lizard Creek in Carbon County, Pennsylvania. It was built in 1984, so it is 41 years old, younger 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. Its operating status is: posted for load restriction.

It carries about 300 vehicles a day, roughly 1% of them trucks, projected to reach 420 by 2009. The structure is 58 ft (17.7 m) long and 32 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesStone Mountain RD
CrossesLizard Creek
LocationS.Of SR 895 Nr.Sch.Co.Lin
RouteCity Street 0
Coordinates40.75918, -75.77254
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
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating42 US tons
Inventory rating17 US tons

Structure

MaterialPrestressed Concrete
DeckOther
Main spans1
Design loadHS 25 or greater
Structure length58 ft (17.7 m)
Longest span57 ft (17.4 m)
Deck width32 ft (9.8 m)
Roadway width29 ft (8.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic300 (1979)
Projected traffic420 by 2009
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Stone Mountain RD over Lizard Creek built?

It was built in 1984, making it 41 years old in 2025.

What condition is Stone Mountain RD over Lizard 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 November 2023.

How much traffic does Stone Mountain RD over Lizard Creek carry?

About 300 vehicles per day (1979 count), of which roughly 1% are trucks.

How long is Stone Mountain RD over Lizard Creek?

The structure is 58 ft (17.7 m) long with a longest span of 57 ft (17.4 m) and a deck 32 ft wide.

Who owns Stone Mountain RD over Lizard Creek?

It is owned by the County Highway Agency.