US Bridges

SR 4013 over W Branch of Rattling CR

Fair

Dauphin County, Pennsylvania · 1.25 Mi.S. Lykens · Structure no. 000000000014600

Built
1934
91 years old
Condition
Fair
inspected August 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
24 ft
1 main span
Daily traffic
372
2024 count
Owner
State
State Highway Agency

About this bridge

SR 4013 over W Branch of Rattling CR is a steel stringer/multi-beam or girder carrying SR 4013 over W Branch of Rattling CR in Dauphin County, Pennsylvania. It was built in 1934, so it is 91 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 372 vehicles a day, roughly 2% of them trucks, projected to reach 432 by 2032. The structure is 24 ft (7.3 m) long and 25 ft wide. If it were closed, the detour would be 19.9 mi (32 km).

Location

Open in Google Maps
CarriesSR 4013
CrossesW Branch of Rattling CR
Location1.25 Mi.S. Lykens
RouteState Highway 0
CountyDauphin County
StatePennsylvania
Coordinates40.55026, -76.69471
Functional classRural Minor Collector

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 inspectionAugust 2024
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 geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating61.9 US tons
Inventory rating37 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadH 20
Structure length24 ft (7.3 m)
Longest span21 ft (6.4 m)
Deck width25 ft (7.5 m)
Roadway width22 ft (6.7 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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$68,000
NavigationNo navigation control on waterway

Frequently asked questions

When was SR 4013 over W Branch of Rattling CR built?

It was built in 1934, making it 91 years old in 2025.

What condition is SR 4013 over W Branch of Rattling CR 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 August 2024.

How much traffic does SR 4013 over W Branch of Rattling CR carry?

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

How long is SR 4013 over W Branch of Rattling CR?

The structure is 24 ft (7.3 m) long with a longest span of 21 ft (6.4 m) and a deck 25 ft wide.

Who owns SR 4013 over W Branch of Rattling CR?

It is owned by the State Highway Agency.