US Bridges

South 12th Street over Quittaphilla Creek

Fair

Lebanon County, Pennsylvania · 150 S of Cumberland ST · Structure no. 000000000022917

Built
1981
44 years old
Condition
Fair
inspected June 2023
Type
Frame
Concrete
Length
29 ft
1 main span
Daily traffic
4,000
2013 count
Owner
City
City or Municipal Highway Agency

About this bridge

South 12th Street over Quittaphilla Creek is a concrete frame carrying South 12th Street over Quittaphilla Creek in Lebanon County, Pennsylvania. It was built in 1981, so it is 44 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 4,000 vehicles a day, roughly 10% of them trucks, projected to reach 5,360 by 2033. The structure is 29 ft (8.8 m) long and 70 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesSouth 12th Street
CrossesQuittaphilla Creek
Location150 S of Cumberland ST
RouteCity Street 422
Coordinates40.33834, -76.43097
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.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating100 US tons
Inventory rating60 US tons

Structure

Structure typeFrame
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length29 ft (8.8 m)
Longest span28 ft (8.5 m)
Deck width70 ft (21.3 m)
Roadway width50 ft (15.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,000 (2013)
Projected traffic5,360 by 2033
Trucks10%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes

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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was South 12th Street over Quittaphilla Creek built?

It was built in 1981, making it 44 years old in 2025.

What condition is South 12th Street over Quittaphilla 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 June 2023.

How much traffic does South 12th Street over Quittaphilla Creek carry?

About 4,000 vehicles per day (2013 count), of which roughly 10% are trucks.

How long is South 12th Street over Quittaphilla Creek?

The structure is 29 ft (8.8 m) long with a longest span of 28 ft (8.5 m) and a deck 70 ft wide.

Who owns South 12th Street over Quittaphilla Creek?

It is owned by the City or Municipal Highway Agency.