US Bridges

US 13 NB over Leonard Mill Pond

Good

Wicomico County, Maryland · 0.4 Mile South of Md 675B · Structure no. 100000220002011

Built
2004
21 years old
Condition
Good
inspected March 2023
Type
Slab
Prestressed Concrete Continuous
Length
79 ft
3 main spans
Daily traffic
38,793
2009 count
Owner
State
State Highway Agency

About this bridge

US 13 NB over Leonard Mill Pond is a prestressed concrete continuous slab carrying US 13 NB over Leonard Mill Pond in Wicomico County, Maryland. It was built in 2004, so it is 21 years old, younger than the Maryland average of 52.6 years.

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

It carries about 38,793 vehicles a day, roughly 12% of them trucks, projected to reach 23,662 by 2026. The structure is 79 ft (24.1 m) long and 54 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesUS 13 NB
CrossesLeonard Mill Pond
Location0.4 Mile South of Md 675B
RouteU.S. Route 13
Coordinates38.42338, -75.56436
Functional classUrban Other Principal Arterial

Condition and inspection

Good

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating81 US tons
Inventory rating48.5 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 25 or greater
Structure length79 ft (24.1 m)
Longest span26 ft (7.9 m)
Deck width54 ft (16.5 m)
Roadway width48 ft (14.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic38,793 (2009)
Projected traffic23,662 by 2026
Trucks12%
Lanes on structure4
Traffic directionOne-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.2 mi (2 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 NB over Leonard Mill Pond built?

It was built in 2004, making it 21 years old in 2025.

What condition is US 13 NB over Leonard Mill Pond 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 March 2023.

How much traffic does US 13 NB over Leonard Mill Pond carry?

About 38,793 vehicles per day (2009 count), of which roughly 12% are trucks.

How long is US 13 NB over Leonard Mill Pond?

The structure is 79 ft (24.1 m) long with a longest span of 26 ft (7.9 m) and a deck 54 ft wide.

Who owns US 13 NB over Leonard Mill Pond?

It is owned by the State Highway Agency.