US Bridges

Aston Mtn. Rd. over Monument Creek

Fair

Lackawanna County, Pennsylvania · .24M S SR 502 · Structure no. 000000000055901

Built
1960
65 years old
Condition
Fair
inspected October 2022
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
63 ft
1 main span
Daily traffic
150
2018 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Aston Mtn. Rd. over Monument Creek is a prestressed concrete box beam or girders - multiple carrying Aston Mtn. Rd. over Monument Creek in Lackawanna County, Pennsylvania. It was built in 1960, so it is 65 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 150 vehicles a day, roughly 2% of them trucks, projected to reach 150 by 2035. The structure is 63 ft (19.2 m) long and 25 ft wide.

CarriesAston Mtn. Rd.
CrossesMonument Creek
Location.24M S SR 502
RouteCity Street 0
Coordinates41.32518, -75.68826
Functional classUrban 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.
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 protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionOctober 2022
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating49.1 US tons
Inventory rating24 US tons

Structure

MaterialPrestressed Concrete
DeckOther
Main spans1
Design loadHS 20
Structure length63 ft (19.2 m)
Longest span61 ft (18.6 m)
Deck width25 ft (7.5 m)
Roadway width23 ft (7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic150 (2018)
Projected traffic150 by 2035
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
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 proposedOther structural work, including hydraulic replacements
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Aston Mtn. Rd. over Monument Creek built?

It was built in 1960, making it 65 years old in 2025.

What condition is Aston Mtn. Rd. over Monument 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 October 2022.

How much traffic does Aston Mtn. Rd. over Monument Creek carry?

About 150 vehicles per day (2018 count), of which roughly 2% are trucks.

How long is Aston Mtn. Rd. over Monument Creek?

The structure is 63 ft (19.2 m) long with a longest span of 61 ft (18.6 m) and a deck 25 ft wide.

Who owns Aston Mtn. Rd. over Monument Creek?

It is owned by the Town or Township Highway Agency.