US Bridges

T-346 Lehigh RD over East Br. Roaring Brook

PoorPosted for load

Lackawanna County, Pennsylvania · Covington 50 SE SR 2009 · Structure no. 000000000020859

Built
1971
54 years old
Condition
Poor
inspected December 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
39 ft
1 main span
Daily traffic
100
2021 count
Owner
County
County Highway Agency

About this bridge

T-346 Lehigh RD over East Br. Roaring Brook is a prestressed concrete box beam or girders - multiple carrying T-346 Lehigh RD over East Br. Roaring Brook in Lackawanna County, Pennsylvania. It was built in 1971, so it is 54 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 100 vehicles a day, roughly 3% of them trucks, projected to reach 125 by 2031. The structure is 39 ft (11.9 m) long and 33 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesT-346 Lehigh RD
CrossesEast Br. Roaring Brook
LocationCovington 50 SE SR 2009
RouteCity Street 0
Coordinates41.30715, -75.48552
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.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating34 US tons
Inventory rating13 US tons

Structure

MaterialPrestressed Concrete
DeckOther
Main spans1
Design loadH 20
Structure length39 ft (11.9 m)
Longest span37 ft (11.3 m)
Deck width33 ft (10.2 m)
Roadway width32 ft (9.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (2021)
Projected traffic125 by 2031
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 proposedDeck rehabilitation with only incidental widening
Estimated improvement cost$43,000
NavigationNo navigation control on waterway

Frequently asked questions

When was T-346 Lehigh RD over East Br. Roaring Brook built?

It was built in 1971, making it 54 years old in 2025.

What condition is T-346 Lehigh RD over East Br. Roaring Brook 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 December 2023.

How much traffic does T-346 Lehigh RD over East Br. Roaring Brook carry?

About 100 vehicles per day (2021 count), of which roughly 3% are trucks.

How long is T-346 Lehigh RD over East Br. Roaring Brook?

The structure is 39 ft (11.9 m) long with a longest span of 37 ft (11.3 m) and a deck 33 ft wide.

Who owns T-346 Lehigh RD over East Br. Roaring Brook?

It is owned by the County Highway Agency.