US Bridges

Walnut Street over Saucon Creek

Fair

Northampton County, Pennsylvania · 0.2 M. West of Pa 412 · Structure no. 000000000028930

Built
1970
55 years old
Condition
Fair
inspected June 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
86 ft
2 main spans
Daily traffic
1,000
2010 count
Owner
County
County Highway Agency

About this bridge

Walnut Street over Saucon Creek is a steel stringer/multi-beam or girder carrying Walnut Street over Saucon Creek in Northampton County, Pennsylvania. It was built in 1970, so it is 55 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 6 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 1,000 vehicles a day, roughly 1% of them trucks, projected to reach 1,050 by 2030. The structure is 86 ft (26.2 m) long and 40 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesWalnut Street
CrossesSaucon Creek
Location0.2 M. West of Pa 412
RouteCity Street 0
Coordinates40.5722, -75.3447
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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating94 US tons
Inventory rating56 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length86 ft (26.2 m)
Longest span42 ft (12.8 m)
Deck width40 ft (12.3 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,000 (2010)
Projected traffic1,050 by 2030
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Walnut Street over Saucon Creek built?

It was built in 1970, making it 55 years old in 2025.

What condition is Walnut Street over Saucon 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 Walnut Street over Saucon Creek carry?

About 1,000 vehicles per day (2010 count), of which roughly 1% are trucks.

How long is Walnut Street over Saucon Creek?

The structure is 86 ft (26.2 m) long with a longest span of 42 ft (12.8 m) and a deck 40 ft wide.

Who owns Walnut Street over Saucon Creek?

It is owned by the County Highway Agency.