US Bridges

SR 2018(LR 39026) over Branch of Swabia Creek

Poor

Lehigh County, Pennsylvania · Macungie-Lehigh St. · Structure no. 000000000023281

Built
1929
96 years old
Condition
Poor
inspected August 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
26 ft
1 main span
Daily traffic
1,400
2024 count
Owner
State
State Highway Agency

About this bridge

SR 2018(LR 39026) over Branch of Swabia Creek is a steel stringer/multi-beam or girder carrying SR 2018(LR 39026) over Branch of Swabia Creek in Lehigh County, Pennsylvania. It was built in 1929, so it is 96 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.

It carries about 1,400 vehicles a day, roughly 10% of them trucks, projected to reach 1,814 by 2032. The structure is 26 ft (7.9 m) long and 29 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesSR 2018(LR 39026)
CrossesBranch of Swabia Creek
LocationMacungie-Lehigh St.
RouteState Highway 0
Coordinates40.51729, -75.55284
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating101 US tons
Inventory rating60 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length26 ft (7.9 m)
Longest span22 ft (6.7 m)
Deck width29 ft (8.8 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,400 (2024)
Projected traffic1,814 by 2032
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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$165,000
NavigationNo navigation control on waterway

Frequently asked questions

When was SR 2018(LR 39026) over Branch of Swabia Creek built?

It was built in 1929, making it 96 years old in 2025.

What condition is SR 2018(LR 39026) over Branch of Swabia 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 August 2024.

How much traffic does SR 2018(LR 39026) over Branch of Swabia Creek carry?

About 1,400 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is SR 2018(LR 39026) over Branch of Swabia Creek?

The structure is 26 ft (7.9 m) long with a longest span of 22 ft (6.7 m) and a deck 29 ft wide.

Who owns SR 2018(LR 39026) over Branch of Swabia Creek?

It is owned by the State Highway Agency.