US Bridges

US 422 E Chocolate over Drainage Ditch

Fair

Dauphin County, Pennsylvania · 1.4 MI E of Pa 743 · Structure no. 000000000055075

Built
1949
76 years old
Condition
Fair
inspected September 2024
Type
Culvert
Steel
Length
31 ft
5 main spans
Daily traffic
17,021
2024 count
Owner
State
State Highway Agency

About this bridge

US 422 E Chocolate over Drainage Ditch is a steel culvert carrying US 422 E Chocolate over Drainage Ditch in Dauphin County, Pennsylvania. It was built in 1949, so it is 76 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 17,021 vehicles a day, roughly 4% of them trucks, projected to reach 19,012 by 2032. The structure is 31 ft (9.4 m) long. If it were closed, the detour would be 13 mi (21 km).

Location

Open in Google Maps
CarriesUS 422 E Chocolate
CrossesDrainage Ditch
Location1.4 MI E of Pa 743
RouteU.S. Route 422
CountyDauphin County
StatePennsylvania
Coordinates40.29249, -76.62712
Functional classUrban Other Principal Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating72 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans5
Design loadHS 20
Structure length31 ft (9.4 m)
Longest span6 ft (1.8 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic17,021 (2024)
Projected traffic19,012 by 2032
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed13 mi (21 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedOther structural work, including hydraulic replacements
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was US 422 E Chocolate over Drainage Ditch built?

It was built in 1949, making it 76 years old in 2025.

What condition is US 422 E Chocolate over Drainage Ditch 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 US 422 E Chocolate over Drainage Ditch carry?

About 17,021 vehicles per day (2024 count), of which roughly 4% are trucks.

How long is US 422 E Chocolate over Drainage Ditch?

The structure is 31 ft (9.4 m) long with a longest span of 6 ft (1.8 m).

Who owns US 422 E Chocolate over Drainage Ditch?

It is owned by the State Highway Agency.