US Bridges

S Lanc. Ave T-552 over Hammer Creek

Fair

Lebanon County, Pennsylvania · Schaffers Trib Hammer CR · Structure no. 000000000022847

Built
1920
105 years old
Condition
Fair
inspected March 2023
Type
Tee Beam
Concrete
Length
23 ft
1 main span
Daily traffic
100
2013 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

S Lanc. Ave T-552 over Hammer Creek is a concrete tee beam carrying S Lanc. Ave T-552 over Hammer Creek in Lebanon County, Pennsylvania. It was built in 1920, so it is 105 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 100 vehicles a day, roughly 3% of them trucks, projected to reach 2,800 by 2033. The structure is 23 ft (7 m) long and 20 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesS Lanc. Ave T-552
CrossesHammer Creek
LocationSchaffers Trib Hammer CR
RouteCity Street 0
Coordinates40.29613, -76.2954
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 protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
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 alignment6: Equal to present minimum criteria
Operating rating67 US tons
Inventory rating40 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length23 ft (7 m)
Longest span22 ft (6.7 m)
Deck width20 ft (6.1 m)
Roadway width17 ft (5.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (2013)
Projected traffic2,800 by 2033
Trucks3%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed0.6 mi (1 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerTown or Township Highway Agency
Maintained byTown or Township 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 S Lanc. Ave T-552 over Hammer Creek built?

It was built in 1920, making it 105 years old in 2025.

What condition is S Lanc. Ave T-552 over Hammer 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 2023.

How much traffic does S Lanc. Ave T-552 over Hammer Creek carry?

About 100 vehicles per day (2013 count), of which roughly 3% are trucks.

How long is S Lanc. Ave T-552 over Hammer Creek?

The structure is 23 ft (7 m) long with a longest span of 22 ft (6.7 m) and a deck 20 ft wide.

Who owns S Lanc. Ave T-552 over Hammer Creek?

It is owned by the Town or Township Highway Agency.