US Bridges

T-720 CO.BR.#22 over Little Shamokin Creek

FairPosted for load

Northumberland County, Pennsylvania · 1 MI S.Of Hamilton · Structure no. 000000000029362

Built
1903
122 years old, rebuilt 1983
Condition
Fair
inspected October 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
48 ft
1 main span
Daily traffic
50
2017 count
Owner
County
County Highway Agency

About this bridge

T-720 CO.BR.#22 over Little Shamokin Creek is a steel stringer/multi-beam or girder carrying T-720 CO.BR.#22 over Little Shamokin Creek in Northumberland County, Pennsylvania. It was built in 1903 and reconstructed in 1983, so it is 122 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 50 vehicles a day, projected to reach 77 by 2039. The structure is 48 ft (14.6 m) long and 22 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesT-720 CO.BR.#22
CrossesLittle Shamokin Creek
Location1 MI S.Of Hamilton
RouteCity Street 720
Coordinates40.8505, -76.75601
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.
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 protection8 Very GoodNo problems noted.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusPosted for load 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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating39 US tons
Inventory rating23 US tons

Structure

MaterialSteel
DeckWood or timber
Main spans1
Design loadHS 20
Structure length48 ft (14.6 m)
Longest span43 ft (13.1 m)
Deck width22 ft (6.8 m)
Roadway width20 ft (6.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (2017)
Projected traffic77 by 2039
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was T-720 CO.BR.#22 over Little Shamokin Creek built?

It was built in 1903, making it 122 years old in 2025. It was reconstructed in 1983.

What condition is T-720 CO.BR.#22 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 October 2023.

How much traffic does T-720 CO.BR.#22 over Little Shamokin Creek carry?

About 50 vehicles per day (2017 count).

How long is T-720 CO.BR.#22 over Little Shamokin Creek?

The structure is 48 ft (14.6 m) long with a longest span of 43 ft (13.1 m) and a deck 22 ft wide.

Who owns T-720 CO.BR.#22 over Little Shamokin Creek?

It is owned by the County Highway Agency.