US Bridges

US 13 Bus SB over Norfolk Southern RR

Fair

Wicomico County, Maryland · 1.0 Mile North of US 50BU · Structure no. 100000220003012

Built
1951
74 years old
Condition
Fair
inspected April 2024
Type
Girder and Floorbeam System
Steel
Length
180 ft
1 main span
Daily traffic
29,484
2022 count
Owner
State
State Highway Agency

About this bridge

US 13 Bus SB over Norfolk Southern RR is a steel girder and floorbeam system carrying US 13 Bus SB over Norfolk Southern RR in Wicomico County, Maryland. It was built in 1951, so it is 74 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 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 29,484 vehicles a day, roughly 18% of them trucks, projected to reach 39,710 by 2042. The structure is 180 ft (54.9 m) long and 42 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesUS 13 Bus SB
CrossesNorfolk Southern RR
Location1.0 Mile North of US 50BU
RouteU.S. Route 13
CountyWicomico County
StateMaryland
Coordinates38.38069, -75.58825
Functional classUrban Other Principal Arterial

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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59 US tons
Inventory rating34.9 US tons

Structure

Structure typeGirder and Floorbeam System
MaterialSteel
DeckConcrete, cast-in-place
Main spans1 (+1 approach)
Design loadHS 20
Structure length180 ft (54.9 m)
Longest span118 ft (36 m)
Deck width42 ft (12.8 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic29,484 (2022)
Projected traffic39,710 by 2042
Trucks18%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway and pedestrian
CrossesRailroad
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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$499,000
NavigationNot applicable (no waterway)

Frequently asked questions

When was US 13 Bus SB over Norfolk Southern RR built?

It was built in 1951, making it 74 years old in 2025.

What condition is US 13 Bus SB over Norfolk Southern RR 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 2024.

How much traffic does US 13 Bus SB over Norfolk Southern RR carry?

About 29,484 vehicles per day (2022 count), of which roughly 18% are trucks.

How long is US 13 Bus SB over Norfolk Southern RR?

The structure is 180 ft (54.9 m) long with a longest span of 118 ft (36 m) and a deck 42 ft wide.

Who owns US 13 Bus SB over Norfolk Southern RR?

It is owned by the State Highway Agency.