US Bridges

Pa 23 (LR412) over Conestoga Creek

Fair

Berks County, Pennsylvania · Main St.@ Mast Rd. · Structure no. 000000000004584

Built
1956
69 years old
Condition
Fair
inspected September 2023
Type
Culvert
Concrete
Length
46 ft
1 main span
Daily traffic
11,870
2024 count
Owner
State
State Highway Agency

About this bridge

Pa 23 (LR412) over Conestoga Creek is a concrete culvert carrying Pa 23 (LR412) over Conestoga Creek in Berks County, Pennsylvania. It was built in 1956, so it is 69 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 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 11,870 vehicles a day, roughly 8% of them trucks, projected to reach 15,135 by 2032. The structure is 46 ft (14 m) long. If it were closed, the detour would be 8.1 mi (13 km).

Location

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CarriesPa 23 (LR412)
CrossesConestoga Creek
LocationMain St.@ Mast Rd.
RouteState Highway 23
CountyBerks County
StatePennsylvania
Coordinates40.15693, -75.87912
Functional classRural Minor 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 protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 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
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating54 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHS 20
Structure length46 ft (14 m)
Longest span46 ft (14 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic11,870 (2024)
Projected traffic15,135 by 2032
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 km)
TollOn a free road
National Highway SystemNo

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 Pa 23 (LR412) over Conestoga Creek built?

It was built in 1956, making it 69 years old in 2025.

What condition is Pa 23 (LR412) over Conestoga 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 Pa 23 (LR412) over Conestoga Creek carry?

About 11,870 vehicles per day (2024 count), of which roughly 8% are trucks.

How long is Pa 23 (LR412) over Conestoga Creek?

The structure is 46 ft (14 m) long with a longest span of 46 ft (14 m).

Who owns Pa 23 (LR412) over Conestoga Creek?

It is owned by the State Highway Agency.