US Bridges

Old Filetown Road over Bushkill Creek

Fair

Northampton County, Pennsylvania · South of Belfast · Structure no. 000000000028809

Built
1937
88 years old, rebuilt 2017
Condition
Fair
inspected June 2024
Type
Truss - Thru
Steel Continuous
Length
68 ft
1 main span
Daily traffic
10
2010 count
Owner
County
County Highway Agency

About this bridge

Old Filetown Road over Bushkill Creek is a steel continuous truss - thru carrying Old Filetown Road over Bushkill Creek in Northampton County, Pennsylvania. It was built in 1937 and reconstructed in 2017, so it is 88 years old, older than the Pennsylvania average of 54.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 10 vehicles a day, projected to reach 10 by 2030. The structure is 68 ft (20.7 m) long and 20 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

CarriesOld Filetown Road
CrossesBushkill Creek
LocationSouth of Belfast
RouteCity Street 0
Coordinates40.77192, -75.28113
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, 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 inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being 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 alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating54 US tons
Inventory rating35.1 US tons

Structure

Structure typeTruss - Thru
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length68 ft (20.7 m)
Longest span66 ft (20.1 m)
Deck width20 ft (6.1 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10 (2010)
Projected traffic10 by 2030
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
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$54,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Old Filetown Road over Bushkill Creek built?

It was built in 1937, making it 88 years old in 2025. It was reconstructed in 2017.

What condition is Old Filetown Road over Bushkill Creek in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in June 2024.

How much traffic does Old Filetown Road over Bushkill Creek carry?

About 10 vehicles per day (2010 count).

How long is Old Filetown Road over Bushkill Creek?

The structure is 68 ft (20.7 m) long with a longest span of 66 ft (20.1 m) and a deck 20 ft wide.

Who owns Old Filetown Road over Bushkill Creek?

It is owned by the County Highway Agency.