US Bridges

Slateford Road over Slateford Creek

Fair

Northampton County, Pennsylvania · N. of Portland -Slateford · Structure no. 000000000028881

Built
1910
115 years old, rebuilt 2021
Condition
Fair
inspected April 2024
Type
Frame
Concrete
Length
28 ft
1 main span
Daily traffic
200
2010 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Slateford Road over Slateford Creek is a concrete frame carrying Slateford Road over Slateford Creek in Northampton County, Pennsylvania. It was built in 1910 and reconstructed in 2021, so it is 115 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 200 vehicles a day, roughly 1% of them trucks, projected to reach 250 by 2020. The structure is 28 ft (8.5 m) long and 36 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesSlateford Road
CrossesSlateford Creek
LocationN. of Portland -Slateford
RouteInterstate 0
CountyNorthampton County
StatePennsylvania
Coordinates40.9475, -75.11352
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating54 US tons
Inventory rating36 US tons

Structure

Structure typeFrame
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length28 ft (8.5 m)
Longest span28 ft (8.5 m)
Deck width36 ft (11 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic200 (2010)
Projected traffic250 by 2020
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 statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost$228,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Slateford Road over Slateford Creek built?

It was built in 1910, making it 115 years old in 2025. It was reconstructed in 2021.

What condition is Slateford Road over Slateford 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 April 2024.

How much traffic does Slateford Road over Slateford Creek carry?

About 200 vehicles per day (2010 count), of which roughly 1% are trucks.

How long is Slateford Road over Slateford Creek?

The structure is 28 ft (8.5 m) long with a longest span of 28 ft (8.5 m) and a deck 36 ft wide.

Who owns Slateford Road over Slateford Creek?

It is owned by the Town or Township Highway Agency.