US Bridges

TR 11 Mulberry ST over Lack River & Lack Co. RR

Good

Lackawanna County, Pennsylvania · Scranton City Mulberry ST · Structure no. 000000000020414

Built
1994
31 years old
Condition
Good
inspected August 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
403 ft
3 main spans
Daily traffic
20,811
2024 count
Owner
State
State Highway Agency

About this bridge

TR 11 Mulberry ST over Lack River & Lack Co. RR is a prestressed concrete stringer/multi-beam or girder carrying TR 11 Mulberry ST over Lack River & Lack Co. RR in Lackawanna County, Pennsylvania. It was built in 1994, so it is 31 years old, younger than the Pennsylvania average of 54.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 20,811 vehicles a day, roughly 2% of them trucks, projected to reach 23,330 by 2032. The structure is 403 ft (122.8 m) long and 118 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesTR 11 Mulberry ST
CrossesLack River & Lack Co. RR
LocationScranton City Mulberry ST
RouteU.S. Route 11
Coordinates41.41356, -75.66629
Functional classUrban Principal Arterial - Other Freeway or Expressway

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating61 US tons
Inventory rating36 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3 (+1 approach)
Design loadHS 25 or greater
Structure length403 ft (122.8 m)
Longest span120 ft (36.6 m)
Deck width118 ft (36.1 m)
Roadway width104 ft (31.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic20,811 (2024)
Projected traffic23,330 by 2032
Trucks2%
Lanes on structure3
Traffic directionTwo-way traffic
CarriesHighway
CrossesRailroad and waterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 TR 11 Mulberry ST over Lack River & Lack Co. RR built?

It was built in 1994, making it 31 years old in 2025.

What condition is TR 11 Mulberry ST over Lack River & Lack Co. RR in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in August 2024.

How much traffic does TR 11 Mulberry ST over Lack River & Lack Co. RR carry?

About 20,811 vehicles per day (2024 count), of which roughly 2% are trucks.

How long is TR 11 Mulberry ST over Lack River & Lack Co. RR?

The structure is 403 ft (122.8 m) long with a longest span of 120 ft (36.6 m) and a deck 118 ft wide.

Who owns TR 11 Mulberry ST over Lack River & Lack Co. RR?

It is owned by the State Highway Agency.