US Bridges

Ironstone Drive over Ironstone Creek

Poor

Berks County, Pennsylvania · Ironstone Drive · Structure no. 000000000005299

Built
1934
91 years old
Condition
Poor
inspected August 2023
Type
Tee Beam
Concrete
Length
32 ft
1 main span
Daily traffic
100
1989 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Ironstone Drive over Ironstone Creek is a concrete tee beam carrying Ironstone Drive over Ironstone Creek in Berks County, Pennsylvania. It was built in 1934, so it is 91 years old, older than the Pennsylvania average of 54.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 100 vehicles a day, roughly 2% of them trucks, projected to reach 140 by 2009. The structure is 32 ft (9.8 m) long and 26 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesIronstone Drive
CrossesIronstone Creek
LocationIronstone Drive
RouteCity Street 0
Coordinates40.34007, -75.6586
Functional classRural Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating57 US tons
Inventory rating34 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length32 ft (9.8 m)
Longest span29 ft (8.8 m)
Deck width26 ft (8 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deck25 ft (7.6 m)

Traffic and service

Average daily traffic100 (1989)
Projected traffic140 by 2009
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$41,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Ironstone Drive over Ironstone Creek built?

It was built in 1934, making it 91 years old in 2025.

What condition is Ironstone Drive over Ironstone Creek in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in August 2023.

How much traffic does Ironstone Drive over Ironstone Creek carry?

About 100 vehicles per day (1989 count), of which roughly 2% are trucks.

How long is Ironstone Drive over Ironstone Creek?

The structure is 32 ft (9.8 m) long with a longest span of 29 ft (8.8 m) and a deck 26 ft wide.

Who owns Ironstone Drive over Ironstone Creek?

It is owned by the Town or Township Highway Agency.