US Bridges

Browns Mill Road over Monocacy Creek

PoorPosted for load

Berks County, Pennsylvania · Daniel Boone Homestead · Structure no. 000000000005320

Built
1967
58 years old
Condition
Poor
inspected September 2022
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
53 ft
1 main span
Daily traffic
100
2009 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Browns Mill Road over Monocacy Creek is a prestressed concrete box beam or girders - multiple carrying Browns Mill Road over Monocacy Creek in Berks County, Pennsylvania. It was built in 1967, so it is 58 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. Its operating status is: posted for load restriction.

It carries about 100 vehicles a day, roughly 1% of them trucks, projected to reach 140 by 2019. The structure is 53 ft (16.2 m) long and 38 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesBrowns Mill Road
CrossesMonocacy Creek
LocationDaniel Boone Homestead
RouteCity Street 0
Coordinates40.30229, -75.78376
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
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
Superstructure4 PoorAdvanced section loss, deterioration, 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 2022
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry8: Equal to present desirable criteria
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating52 US tons
Inventory rating10 US tons

Structure

MaterialPrestressed Concrete
DeckOther
Main spans1
Design loadHS 20
Structure length53 ft (16.2 m)
Longest span52 ft (15.8 m)
Deck width38 ft (11.5 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (2009)
Projected traffic140 by 2019
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
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$83,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Browns Mill Road over Monocacy Creek built?

It was built in 1967, making it 58 years old in 2025.

What condition is Browns Mill Road over Monocacy 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 September 2022.

How much traffic does Browns Mill Road over Monocacy Creek carry?

About 100 vehicles per day (2009 count), of which roughly 1% are trucks.

How long is Browns Mill Road over Monocacy Creek?

The structure is 53 ft (16.2 m) long with a longest span of 52 ft (15.8 m) and a deck 38 ft wide.

Who owns Browns Mill Road over Monocacy Creek?

It is owned by the Town or Township Highway Agency.