US Bridges

Pa 611(LR 517) over Jacoby Creek

Fair

Northampton County, Pennsylvania · Portland · Structure no. 000000000028638

Built
1907
118 years old
Condition
Fair
inspected September 2023
Type
Arch - Deck
Concrete
Length
43 ft
1 main span
Daily traffic
2,297
2023 count
Owner
State
State Highway Agency

About this bridge

Pa 611(LR 517) over Jacoby Creek is a concrete arch - deck carrying Pa 611(LR 517) over Jacoby Creek in Northampton County, Pennsylvania. It was built in 1907, so it is 118 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 2,297 vehicles a day, roughly 3% of them trucks, projected to reach 6,493 by 2032. The structure is 43 ft (13.1 m) long and 43 ft wide.

Location

Open in Google Maps
CarriesPa 611(LR 517)
CrossesJacoby Creek
LocationPortland
RouteState Highway 611
CountyNorthampton County
StatePennsylvania
Coordinates40.92137, -75.0958
Functional classRural 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
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 inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating54 US tons
Inventory rating36 US tons

Structure

Structure typeArch - Deck
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHS 20
Structure length43 ft (13.1 m)
Longest span28 ft (8.5 m)
Deck width43 ft (13.1 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,297 (2023)
Projected traffic6,493 by 2032
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusListed on the National Register of Historic Places
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$165,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Pa 611(LR 517) over Jacoby Creek built?

It was built in 1907, making it 118 years old in 2025.

What condition is Pa 611(LR 517) over Jacoby 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 September 2023.

How much traffic does Pa 611(LR 517) over Jacoby Creek carry?

About 2,297 vehicles per day (2023 count), of which roughly 3% are trucks.

How long is Pa 611(LR 517) over Jacoby Creek?

The structure is 43 ft (13.1 m) long with a longest span of 28 ft (8.5 m) and a deck 43 ft wide.

Who owns Pa 611(LR 517) over Jacoby Creek?

It is owned by the State Highway Agency.