US Bridges

WB Rp A;sr 8004 over Susquehanna River

Fair

Dauphin County, Pennsylvania · Ramp A; Clarks Ferry Br. · Structure no. 000000000014769

Built
1986
39 years old
Condition
Fair
inspected October 2022
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
554 ft
4 main spans
Daily traffic
1,190
2024 count
Owner
State
State Highway Agency

About this bridge

WB Rp A;sr 8004 over Susquehanna River is a steel continuous stringer/multi-beam or girder carrying WB Rp A;sr 8004 over Susquehanna River in Dauphin County, Pennsylvania. It was built in 1986, so it is 39 years old, younger 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 6 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 1,190 vehicles a day, roughly 7% of them trucks, projected to reach 1,365 by 2032. The structure is 554 ft (168.9 m) long and 26 ft wide. If it were closed, the detour would be 24.9 mi (40 km).

CarriesWB Rp A;sr 8004
CrossesSusquehanna River
LocationRamp A; Clarks Ferry Br.
RouteState Highway 0
Coordinates40.39778, -77.00792
Functional classRural Principal Arterial - Other

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2022
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating87 US tons
Inventory rating52 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 25 or greater
Structure length554 ft (168.9 m)
Longest span141 ft (43 m)
Deck width26 ft (7.8 m)
Roadway width21 ft (6.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,190 (2024)
Projected traffic1,365 by 2032
Trucks7%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed24.9 mi (40 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was WB Rp A;sr 8004 over Susquehanna River built?

It was built in 1986, making it 39 years old in 2025.

What condition is WB Rp A;sr 8004 over Susquehanna River 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 2022.

How much traffic does WB Rp A;sr 8004 over Susquehanna River carry?

About 1,190 vehicles per day (2024 count), of which roughly 7% are trucks.

How long is WB Rp A;sr 8004 over Susquehanna River?

The structure is 554 ft (168.9 m) long with a longest span of 141 ft (43 m) and a deck 26 ft wide.

Who owns WB Rp A;sr 8004 over Susquehanna River?

It is owned by the State Highway Agency.