US Bridges

Blue Mountain RD over Lizard Creek

Poor

Carbon County, Pennsylvania · S. of SR 895 Nr Ashfield · Structure no. 000000000009115

Built
1992
33 years old
Condition
Poor
inspected November 2022
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
52 ft
1 main span
Daily traffic
300
1979 count
Owner
County
County Highway Agency

About this bridge

Blue Mountain RD over Lizard Creek is a prestressed concrete box beam or girders - multiple carrying Blue Mountain RD over Lizard Creek in Carbon County, Pennsylvania. It was built in 1992, so it is 33 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.

It carries about 300 vehicles a day, roughly 1% of them trucks, projected to reach 545 by 2009. The structure is 52 ft (15.8 m) long and 28 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesBlue Mountain RD
CrossesLizard Creek
LocationS. of SR 895 Nr Ashfield
RouteCity Street 0
Coordinates40.78225, -75.71097
Functional classUrban 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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionNovember 2022
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating50 US tons
Inventory rating24 US tons

Structure

MaterialPrestressed Concrete
DeckOther
Main spans1
Design loadHS 25 or greater
Structure length52 ft (15.8 m)
Longest span50 ft (15.2 m)
Deck width28 ft (8.6 m)
Roadway width25 ft (7.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic300 (1979)
Projected traffic545 by 2009
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$270,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Blue Mountain RD over Lizard Creek built?

It was built in 1992, making it 33 years old in 2025.

What condition is Blue 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 2022.

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

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

How long is Blue Mountain RD over Lizard Creek?

The structure is 52 ft (15.8 m) long with a longest span of 50 ft (15.2 m) and a deck 28 ft wide.

Who owns Blue Mountain RD over Lizard Creek?

It is owned by the County Highway Agency.