US Bridges

Keystone Street over Nancy Run

PoorPosted for load

Northampton County, Pennsylvania · Near Freemansburg · Structure no. 000000000045342

Built
1930
95 years old
Condition
Poor
inspected October 2022
Type
Stringer/Multi-beam or Girder
Steel
Length
25 ft
1 main span
Daily traffic
400
2010 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Keystone Street over Nancy Run is a steel stringer/multi-beam or girder carrying Keystone Street over Nancy Run in Northampton County, Pennsylvania. It was built in 1930, so it is 95 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 load restriction.

It carries about 400 vehicles a day, roughly 1% of them trucks, projected to reach 500 by 2030. The structure is 25 ft (7.6 m) long and 24 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesKeystone Street
CrossesNancy Run
LocationNear Freemansburg
RouteCity Street 0
Coordinates40.64431, -75.33342
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
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionOctober 2022
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating14 US tons
Inventory rating8 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length25 ft (7.6 m)
Longest span23 ft (7 m)
Deck width24 ft (7.2 m)
Roadway width22 ft (6.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic400 (2010)
Projected traffic500 by 2030
Trucks1%
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

OwnerTown or Township Highway Agency
Maintained byTown or Township Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Keystone Street over Nancy Run built?

It was built in 1930, making it 95 years old in 2025.

What condition is Keystone Street over Nancy Run 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 October 2022.

How much traffic does Keystone Street over Nancy Run carry?

About 400 vehicles per day (2010 count), of which roughly 1% are trucks.

How long is Keystone Street over Nancy Run?

The structure is 25 ft (7.6 m) long with a longest span of 23 ft (7 m) and a deck 24 ft wide.

Who owns Keystone Street over Nancy Run?

It is owned by the Town or Township Highway Agency.