US Bridges

Collamer Road over Muddy Run

Fair

Chester County, Pennsylvania · 1500 S.Homeville 3797-C3 · Structure no. 000000000010826

Built
1983
42 years old
Condition
Fair
inspected September 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
30 ft
1 main span
Daily traffic
300
2015 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Collamer Road over Muddy Run is a steel stringer/multi-beam or girder carrying Collamer Road over Muddy Run in Chester County, Pennsylvania. It was built in 1983, so it is 42 years old, younger 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 5 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 300 vehicles a day, roughly 2% of them trucks, projected to reach 350 by 2035. The structure is 30 ft (9.1 m) long and 24 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesCollamer Road
CrossesMuddy Run
Location1500 S.Homeville 3797-C3
RouteCity Street 0
CountyChester County
StatePennsylvania
Coordinates39.85757, -75.98435
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating63.1 US tons
Inventory rating37 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length30 ft (9.1 m)
Longest span26 ft (7.9 m)
Deck width24 ft (7.3 m)
Roadway width22 ft (6.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic300 (2015)
Projected traffic350 by 2035
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$102,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Collamer Road over Muddy Run built?

It was built in 1983, making it 42 years old in 2025.

What condition is Collamer Road over Muddy Run 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 Collamer Road over Muddy Run carry?

About 300 vehicles per day (2015 count), of which roughly 2% are trucks.

How long is Collamer Road over Muddy Run?

The structure is 30 ft (9.1 m) long with a longest span of 26 ft (7.9 m) and a deck 24 ft wide.

Who owns Collamer Road over Muddy Run?

It is owned by the Town or Township Highway Agency.