US Bridges

SR 2046 over Over Mahanoy Creek

Fair

Northumberland County, Pennsylvania · 2 MI SW of Gowan City · Structure no. 000000000029225

Built
1915
110 years old, rebuilt 1988
Condition
Fair
inspected November 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
82 ft
1 main span
Daily traffic
124
2024 count
Owner
State
State Highway Agency

About this bridge

SR 2046 over Over Mahanoy Creek is a steel stringer/multi-beam or girder carrying SR 2046 over Over Mahanoy Creek in Northumberland County, Pennsylvania. It was built in 1915 and reconstructed in 1988, so it is 110 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 124 vehicles a day, roughly 2% of them trucks, projected to reach 112 by 2032. The structure is 82 ft (25 m) long and 13 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesSR 2046
CrossesOver Mahanoy Creek
Location2 MI SW of Gowan City
RouteState Highway 0
CountyNorthumberland County
StatePennsylvania
Coordinates40.7431, -76.57153
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.
Superstructure7 GoodSome minor problems.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2024
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 geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating110.1 US tons
Inventory rating80 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckOpen grating
Main spans1
Design loadUnknown
Structure length82 ft (25 m)
Longest span77 ft (23.5 m)
Deck width13 ft (4.1 m)
Roadway width13 ft (3.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic124 (2024)
Projected traffic112 by 2032
Trucks2%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$30,000
NavigationNo navigation control on waterway

Frequently asked questions

When was SR 2046 over Over Mahanoy Creek built?

It was built in 1915, making it 110 years old in 2025. It was reconstructed in 1988.

What condition is SR 2046 over Over Mahanoy 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 November 2024.

How much traffic does SR 2046 over Over Mahanoy Creek carry?

About 124 vehicles per day (2024 count), of which roughly 2% are trucks.

How long is SR 2046 over Over Mahanoy Creek?

The structure is 82 ft (25 m) long with a longest span of 77 ft (23.5 m) and a deck 13 ft wide.

Who owns SR 2046 over Over Mahanoy Creek?

It is owned by the State Highway Agency.