US Bridges

SR 4013 over W.Branch Rattling Creek

Poor

Dauphin County, Pennsylvania · 2 MI S. Lykens · Structure no. 000000000014599

Built
1974
51 years old
Condition
Poor
inspected August 2024
Type
Frame
Concrete
Length
35 ft
1 main span
Daily traffic
372
2024 count
Owner
State
State Highway Agency

About this bridge

SR 4013 over W.Branch Rattling Creek is a concrete frame carrying SR 4013 over W.Branch Rattling Creek in Dauphin County, Pennsylvania. It was built in 1974, so it is 51 years old, younger than the Pennsylvania average of 54.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 372 vehicles a day, roughly 2% of them trucks, projected to reach 432 by 2032. The structure is 35 ft (10.7 m) long and 48 ft wide. If it were closed, the detour would be 19.9 mi (32 km).

CarriesSR 4013
CrossesW.Branch Rattling Creek
Location2 MI S. Lykens
RouteState Highway 0
Coordinates40.54815, -76.69421
Functional classRural Minor Collector

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

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.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating94 US tons
Inventory rating56 US tons

Structure

Structure typeFrame
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHS 20
Structure length35 ft (10.7 m)
Longest span32 ft (9.8 m)
Deck width48 ft (14.5 m)
Roadway width33 ft (10.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic372 (2024)
Projected traffic432 by 2032
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed19.9 mi (32 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 4013 over W.Branch Rattling Creek built?

It was built in 1974, making it 51 years old in 2025.

What condition is SR 4013 over W.Branch Rattling Creek in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in August 2024.

How much traffic does SR 4013 over W.Branch Rattling Creek carry?

About 372 vehicles per day (2024 count), of which roughly 2% are trucks.

How long is SR 4013 over W.Branch Rattling Creek?

The structure is 35 ft (10.7 m) long with a longest span of 32 ft (9.8 m) and a deck 48 ft wide.

Who owns SR 4013 over W.Branch Rattling Creek?

It is owned by the State Highway Agency.