US Bridges

SR 125 (TR-125 Nbl over Over Shamokin Creek

Good

Northumberland County, Pennsylvania · City of Shamokin · Structure no. 000000000029029

Built
1905
120 years old, rebuilt 1986
Condition
Good
inspected November 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
73 ft
1 main span
Daily traffic
3,836
2024 count
Owner
State
State Highway Agency

About this bridge

SR 125 (TR-125 Nbl over Over Shamokin Creek is a prestressed concrete box beam or girders - multiple carrying SR 125 (TR-125 Nbl over Over Shamokin Creek in Northumberland County, Pennsylvania. It was built in 1905 and reconstructed in 1986, so it is 120 years old, older than the Pennsylvania average of 54.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 3,836 vehicles a day, roughly 5% of them trucks, projected to reach 4,562 by 2032. The structure is 73 ft (22.3 m) long and 34 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

Open in Google Maps
CarriesSR 125 (TR-125 Nbl
CrossesOver Shamokin Creek
LocationCity of Shamokin
RouteState Highway 125
CountyNorthumberland County
StatePennsylvania
Coordinates40.78932, -76.55861
Functional classUrban Minor Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating47 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length73 ft (22.3 m)
Longest span70 ft (21.3 m)
Deck width34 ft (10.3 m)
Roadway width31 ft (9.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,836 (2024)
Projected traffic4,562 by 2032
Trucks5%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed0.6 mi (1 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was SR 125 (TR-125 Nbl over Over Shamokin Creek built?

It was built in 1905, making it 120 years old in 2025. It was reconstructed in 1986.

What condition is SR 125 (TR-125 Nbl over Over Shamokin Creek in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in November 2024.

How much traffic does SR 125 (TR-125 Nbl over Over Shamokin Creek carry?

About 3,836 vehicles per day (2024 count), of which roughly 5% are trucks.

How long is SR 125 (TR-125 Nbl over Over Shamokin Creek?

The structure is 73 ft (22.3 m) long with a longest span of 70 ft (21.3 m) and a deck 34 ft wide.

Who owns SR 125 (TR-125 Nbl over Over Shamokin Creek?

It is owned by the State Highway Agency.