US Bridges

Styer Road over Marsh Creek

Fair

Chester County, Pennsylvania · Upper Uwchlan Twp. 12C13 · Structure no. 000000000010698

Built
1905
120 years old
Condition
Fair
inspected April 2023
Type
Arch - Deck
Masonry
Length
48 ft
2 main spans
Daily traffic
1,399
2019 count
Owner
County
County Highway Agency

About this bridge

Styer Road over Marsh Creek is a masonry arch - deck carrying Styer Road over Marsh Creek in Chester County, Pennsylvania. It was built in 1905, so it is 120 years old, older 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 1,399 vehicles a day, roughly 8% of them trucks, projected to reach 1,707 by 2039. The structure is 48 ft (14.6 m) long and 16 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesStyer Road
CrossesMarsh Creek
LocationUpper Uwchlan Twp. 12C13
RouteCity Street 0
CountyChester County
StatePennsylvania
Coordinates40.08892, -75.72985
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
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating61.9 US tons
Inventory rating37 US tons

Structure

Structure typeArch - Deck
MaterialMasonry
DeckNot applicable
Main spans2
Design loadUnknown
Structure length48 ft (14.6 m)
Longest span20 ft (6.1 m)
Deck width16 ft (4.9 m)
Roadway width16 ft (4.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,399 (2019)
Projected traffic1,707 by 2039
Trucks8%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusEligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Styer Road over Marsh Creek built?

It was built in 1905, making it 120 years old in 2025.

What condition is Styer Road over Marsh Creek 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 April 2023.

How much traffic does Styer Road over Marsh Creek carry?

About 1,399 vehicles per day (2019 count), of which roughly 8% are trucks.

How long is Styer Road over Marsh Creek?

The structure is 48 ft (14.6 m) long with a longest span of 20 ft (6.1 m) and a deck 16 ft wide.

Who owns Styer Road over Marsh Creek?

It is owned by the County Highway Agency.