US Bridges

Pa 987 (lr 48048) over L.& N.E. R.R.(abolished)

Fair

Northampton County, Pennsylvania · Airport Road · Structure no. 000000000028649

Built
1970
55 years old
Condition
Fair
inspected March 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
214 ft
3 main spans
Daily traffic
13,183
2024 count
Owner
State
State Highway Agency

About this bridge

Pa 987 (lr 48048) over L.& N.E. R.R.(abolished) is a prestressed concrete stringer/multi-beam or girder carrying Pa 987 (lr 48048) over L.& N.E. R.R.(abolished) 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 13,183 vehicles a day, roughly 4% of them trucks, projected to reach 17,830 by 2032. The structure is 214 ft (65.2 m) long and 48 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesPa 987 (lr 48048)
CrossesL.& N.E. R.R.(abolished)
LocationAirport Road
RouteState Highway 987
Coordinates40.68579, -75.41419
Functional classUrban Minor Arterial

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.
Substructure7 GoodSome minor problems.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating60 US tons
Inventory rating21.1 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length214 ft (65.2 m)
Longest span68 ft (20.7 m)
Deck width48 ft (14.6 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic13,183 (2024)
Projected traffic17,830 by 2032
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesOther
Detour if closed5 mi (8 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 proposedDeck rehabilitation with only incidental widening
Estimated improvement cost$593,000
NavigationNot applicable (no waterway)

Frequently asked questions

When was Pa 987 (lr 48048) over L.& N.E. R.R.(abolished) built?

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

What condition is Pa 987 (lr 48048) over L.& N.E. R.R.(abolished) 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 March 2023.

How much traffic does Pa 987 (lr 48048) over L.& N.E. R.R.(abolished) carry?

About 13,183 vehicles per day (2024 count), of which roughly 4% are trucks.

How long is Pa 987 (lr 48048) over L.& N.E. R.R.(abolished)?

The structure is 214 ft (65.2 m) long with a longest span of 68 ft (20.7 m) and a deck 48 ft wide.

Who owns Pa 987 (lr 48048) over L.& N.E. R.R.(abolished)?

It is owned by the State Highway Agency.