US Bridges

US 13 over Passerdyke Creek

Fair

Somerset County, Maryland · On Wicomico CO Line · Structure no. 100000190001020

Built
1900
125 years old, rebuilt 1955
Condition
Fair
inspected March 2024
Type
Culvert
Concrete
Length
22 ft
1 main span
Daily traffic
27,695
2009 count
Owner
State
State Highway Agency

About this bridge

US 13 over Passerdyke Creek is a concrete culvert carrying US 13 over Passerdyke Creek in Somerset County, Maryland. It was built in 1900 and reconstructed in 1955, so it is 125 years old, older than the Maryland average of 52.6 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 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 27,695 vehicles a day, roughly 8% of them trucks, projected to reach 31,521 by 2026. The structure is 22 ft (6.7 m) long and 120 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

CarriesUS 13
CrossesPasserdyke Creek
LocationOn Wicomico CO Line
RouteU.S. Route 13
Coordinates38.28921, -75.64419
Functional classRural Principal Arterial - Other

Condition and inspection

Fair

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

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating75.9 US tons
Inventory rating45 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length22 ft (6.7 m)
Longest span20 ft (6.1 m)
Deck width120 ft (36.6 m)
Roadway width118 ft (36 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic27,695 (2009)
Projected traffic31,521 by 2026
Trucks8%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkNon-Interstate STRAHNET route

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was US 13 over Passerdyke Creek built?

It was built in 1900, making it 125 years old in 2025. It was reconstructed in 1955.

What condition is US 13 over Passerdyke 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 March 2024.

How much traffic does US 13 over Passerdyke Creek carry?

About 27,695 vehicles per day (2009 count), of which roughly 8% are trucks.

How long is US 13 over Passerdyke Creek?

The structure is 22 ft (6.7 m) long with a longest span of 20 ft (6.1 m) and a deck 120 ft wide.

Who owns US 13 over Passerdyke Creek?

It is owned by the State Highway Agency.