US Bridges

Watermark Road over Muddy Run

Good

Chester County, Pennsylvania · At Muddy Run Road 3797-B5 · Structure no. 000000000069379

Built
2023
2 years old
Condition
Good
inspected January 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
55 ft
1 main span
Daily traffic
160
2022 count
Owner
County
County Highway Agency

About this bridge

Watermark Road over Muddy Run is a prestressed concrete box beam or girders - multiple carrying Watermark Road over Muddy Run in Chester County, Pennsylvania. It was built in 2023, so it is 2 years old, younger than the Pennsylvania average of 54.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 160 vehicles a day, roughly 10% of them trucks, projected to reach 196 by 2042. The structure is 55 ft (16.8 m) long and 21 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

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CarriesWatermark Road
CrossesMuddy Run
LocationAt Muddy Run Road 3797-B5
RouteCity Street 0
CountyChester County
StatePennsylvania
Coordinates39.84714, -75.98744
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck9 ExcellentNo problems noted.
Superstructure9 ExcellentNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation8: Equal to present desirable criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating63.2 US tons
Inventory rating48.6 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length55 ft (16.8 m)
Longest span54 ft (16.5 m)
Deck width21 ft (6.5 m)
Roadway width18 ft (5.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic160 (2022)
Projected traffic196 by 2042
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedOther structural work, including hydraulic replacements
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Watermark Road over Muddy Run built?

It was built in 2023, making it 2 years old in 2025.

What condition is Watermark Road over Muddy Run in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in January 2024.

How much traffic does Watermark Road over Muddy Run carry?

About 160 vehicles per day (2022 count), of which roughly 10% are trucks.

How long is Watermark Road over Muddy Run?

The structure is 55 ft (16.8 m) long with a longest span of 54 ft (16.5 m) and a deck 21 ft wide.

Who owns Watermark Road over Muddy Run?

It is owned by the County Highway Agency.