US Bridges

Walnut Street over Quittapahilla Creek

Fair

Lebanon County, Pennsylvania · Walnut St;quittapahilla · Structure no. 000000000022881

Built
1961
64 years old
Condition
Fair
inspected May 2023
Type
Slab
Concrete
Length
30 ft
1 main span
Daily traffic
4,000
2013 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Walnut Street over Quittapahilla Creek is a concrete slab carrying Walnut Street over Quittapahilla Creek in Lebanon County, Pennsylvania. It was built in 1961, so it is 64 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 4,000 vehicles a day, roughly 7% of them trucks, projected to reach 84,000 by 2033. The structure is 30 ft (9.1 m) long and 39 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesWalnut Street
CrossesQuittapahilla Creek
LocationWalnut St;quittapahilla
RouteCity Street 422
Coordinates40.34109, -76.39698
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
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 alignment8: Equal to present desirable criteria
Operating rating78 US tons
Inventory rating47 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHS 20
Structure length30 ft (9.1 m)
Longest span28 ft (8.5 m)
Deck width39 ft (11.9 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,000 (2013)
Projected traffic84,000 by 2033
Trucks7%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerTown or Township Highway Agency
Maintained byTown or Township 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 Walnut Street over Quittapahilla Creek built?

It was built in 1961, making it 64 years old in 2025.

What condition is Walnut Street over Quittapahilla 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 May 2023.

How much traffic does Walnut Street over Quittapahilla Creek carry?

About 4,000 vehicles per day (2013 count), of which roughly 7% are trucks.

How long is Walnut Street over Quittapahilla Creek?

The structure is 30 ft (9.1 m) long with a longest span of 28 ft (8.5 m) and a deck 39 ft wide.

Who owns Walnut Street over Quittapahilla Creek?

It is owned by the Town or Township Highway Agency.