US Bridges

T-718 Main Street over Roaring Brook

PoorPosted for load

Lackawanna County, Pennsylvania · Elmhurst 300 S of SR435 · Structure no. 000000000020863

Built
1920
105 years old, rebuilt 2006
Condition
Poor
inspected December 2023
Type
Girder and Floorbeam System
Steel
Length
76 ft
1 main span
Daily traffic
30
2019 count
Owner
County
County Highway Agency

About this bridge

T-718 Main Street over Roaring Brook is a steel girder and floorbeam system carrying T-718 Main Street over Roaring Brook in Lackawanna County, Pennsylvania. It was built in 1920 and reconstructed in 2006, so it is 105 years old, older 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 other load-capacity restriction.

It carries about 30 vehicles a day, projected to reach 40 by 2037. The structure is 76 ft (23.2 m) long and 30 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

CarriesT-718 Main Street
CrossesRoaring Brook
LocationElmhurst 300 S of SR435
RouteCity Street 0
Coordinates41.37655, -75.54474
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
Deck7 GoodSome minor problems.
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 other load-capacity restriction
ScourScour critical; foundations unstable for calculated scour conditions
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 adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating54 US tons
Inventory rating32 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length76 ft (23.2 m)
Longest span73 ft (22.3 m)
Deck width30 ft (9.1 m)
Roadway width23 ft (6.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic30 (2019)
Projected traffic40 by 2037
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed98.8 mi (159 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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$183,000
NavigationNo navigation control on waterway

Frequently asked questions

When was T-718 Main Street over Roaring Brook built?

It was built in 1920, making it 105 years old in 2025. It was reconstructed in 2006.

What condition is T-718 Main Street over 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-718 Main Street over Roaring Brook carry?

About 30 vehicles per day (2019 count).

How long is T-718 Main Street over Roaring Brook?

The structure is 76 ft (23.2 m) long with a longest span of 73 ft (22.3 m) and a deck 30 ft wide.

Who owns T-718 Main Street over Roaring Brook?

It is owned by the County Highway Agency.