US Bridges

Conrad Road T-534 over Little Shamokin Creek

FairPosted for load

Northumberland County, Pennsylvania · SE of Sunbury · Structure no. 000000000029356

Built
1900
125 years old
Condition
Fair
inspected September 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
29 ft
1 main span
Daily traffic
75
2018 count
Owner
County
County Highway Agency

About this bridge

Conrad Road T-534 over Little Shamokin Creek is a steel stringer/multi-beam or girder carrying Conrad Road T-534 over Little Shamokin Creek in Northumberland County, Pennsylvania. It was built in 1900, so it is 125 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. Its operating status is: posted for load restriction.

It carries about 75 vehicles a day, projected to reach 116 by 2040. The structure is 29 ft (8.8 m) long and 16 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesConrad Road T-534
CrossesLittle Shamokin Creek
LocationSE of Sunbury
RouteCity Street 0T534
Coordinates40.84011, -76.76417
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
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 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating20 US tons
Inventory rating12 US tons

Structure

MaterialSteel
DeckWood or timber
Main spans1
Design loadHS 20
Structure length29 ft (8.8 m)
Longest span26 ft (7.9 m)
Deck width16 ft (4.9 m)
Roadway width15 ft (4.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic75 (2018)
Projected traffic116 by 2040
Trucks0%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$96,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Conrad Road T-534 over Little Shamokin Creek built?

It was built in 1900, making it 125 years old in 2025.

What condition is Conrad Road T-534 over Little Shamokin 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 2024.

How much traffic does Conrad Road T-534 over Little Shamokin Creek carry?

About 75 vehicles per day (2018 count).

How long is Conrad Road T-534 over Little Shamokin Creek?

The structure is 29 ft (8.8 m) long with a longest span of 26 ft (7.9 m) and a deck 16 ft wide.

Who owns Conrad Road T-534 over Little Shamokin Creek?

It is owned by the County Highway Agency.