US Bridges

Ashtown Dr. over Mahoning Creek

Fair

Carbon County, Pennsylvania · 1 Mile North RTE 443 · Structure no. 000000000009136

Built
1910
115 years old
Condition
Fair
inspected March 2024
Type
Arch - Deck
Masonry
Length
45 ft
2 main spans
Daily traffic
500
1980 count
Owner
City
City or Municipal Highway Agency

About this bridge

Ashtown Dr. over Mahoning Creek is a masonry arch - deck carrying Ashtown Dr. over Mahoning Creek in Carbon County, Pennsylvania. It was built in 1910, 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 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 500 vehicles a day, roughly 1% of them trucks, projected to reach 1,750 by 2030. The structure is 45 ft (13.7 m) long and 25 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesAshtown Dr.
CrossesMahoning Creek
Location1 Mile North RTE 443
RouteCity Street 0
CountyCarbon County
StatePennsylvania
Coordinates40.82282, -75.72707
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
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry3: Basically intolerable, requiring high priority of corrective action
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 typeArch - Deck
MaterialMasonry
DeckNot applicable
Main spans2
Design loadUnknown
Structure length45 ft (13.7 m)
Longest span20 ft (6.1 m)
Deck width25 ft (7.6 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic500 (1980)
Projected traffic1,750 by 2030
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusEligible for the National Register of Historic Places
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$198,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Ashtown Dr. over Mahoning Creek built?

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

What condition is Ashtown Dr. over Mahoning 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 March 2024.

How much traffic does Ashtown Dr. over Mahoning Creek carry?

About 500 vehicles per day (1980 count), of which roughly 1% are trucks.

How long is Ashtown Dr. over Mahoning Creek?

The structure is 45 ft (13.7 m) long with a longest span of 20 ft (6.1 m) and a deck 25 ft wide.

Who owns Ashtown Dr. over Mahoning Creek?

It is owned by the City or Municipal Highway Agency.