US Bridges

Lyme Alley over Paxton Creek

FairClosed to traffic

Dauphin County, Pennsylvania · Paxton Cr/Lyme Alley/Hbg · Structure no. 000000000014733

Built
1930
95 years old
Condition
Fair
inspected September 2023
Type
Slab
Concrete
Length
27 ft
1 main span
Daily traffic
—
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

Lyme Alley over Paxton Creek is a concrete slab carrying Lyme Alley over Paxton Creek in Dauphin County, Pennsylvania. It was built in 1930, so it is 95 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. Its operating status is: closed to all traffic.

No traffic count is recorded. The structure is 27 ft (8.2 m) long and 11 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesLyme Alley
CrossesPaxton Creek
LocationPaxton Cr/Lyme Alley/Hbg
RouteCity Street 0
CountyDauphin County
StatePennsylvania
Coordinates40.2647, -76.8754
Functional classUrban 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
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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusClosed to all traffic
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry0: Immediate repair necessary to put back in service
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating54 US tons
Inventory rating36 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length27 ft (8.2 m)
Longest span26 ft (7.9 m)
Deck width11 ft (3.4 m)
Roadway width9 ft (2.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic—
Projected traffic—
Trucks0%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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$123,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Lyme Alley over Paxton Creek built?

It was built in 1930, making it 95 years old in 2025.

What condition is Lyme Alley over Paxton 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 September 2023.

How much traffic does Lyme Alley over Paxton Creek carry?

No traffic count is recorded for this structure.

How long is Lyme Alley over Paxton Creek?

The structure is 27 ft (8.2 m) long with a longest span of 26 ft (7.9 m) and a deck 11 ft wide.

Who owns Lyme Alley over Paxton Creek?

It is owned by the City or Municipal Highway Agency.