US Bridges

Manor Avenue over Beaver Creek

Poor

Chester County, Pennsylvania · Downingtown 30F2 · Structure no. 000000000010189

Built
1934
91 years old
Condition
Poor
inspected June 2023
Type
Tee Beam
Concrete
Length
64 ft
2 main spans
Daily traffic
11,422
2024 count
Owner
State
State Highway Agency

About this bridge

Manor Avenue over Beaver Creek is a concrete tee beam carrying Manor Avenue over Beaver Creek in Chester 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 11,422 vehicles a day, roughly 4% of them trucks, projected to reach 13,361 by 2032. The structure is 64 ft (19.5 m) long and 52 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesManor Avenue
CrossesBeaver Creek
LocationDowningtown 30F2
RouteU.S. Route 322
Coordinates40.00753, -75.71184
Functional classUrban Other Principal Arterial

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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation4: Meets minimum tolerable limits to be 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 rating61.9 US tons
Inventory rating37 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans2
Design loadH 20
Structure length64 ft (19.5 m)
Longest span31 ft (9.4 m)
Deck width52 ft (15.8 m)
Roadway width36 ft (11.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic11,422 (2024)
Projected traffic13,361 by 2032
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed6.2 mi (10 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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$818,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Manor Avenue over Beaver Creek built?

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

What condition is Manor Avenue over Beaver 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 June 2023.

How much traffic does Manor Avenue over Beaver Creek carry?

About 11,422 vehicles per day (2024 count), of which roughly 4% are trucks.

How long is Manor Avenue over Beaver Creek?

The structure is 64 ft (19.5 m) long with a longest span of 31 ft (9.4 m) and a deck 52 ft wide.

Who owns Manor Avenue over Beaver Creek?

It is owned by the State Highway Agency.