US Bridges

Southampton Road over Bynum Run

Good

Harford County, Maryland · 0.6 Miles W of Md 543 · Structure no. 200000H-0222010

Built
2010
15 years old
Condition
Good
inspected November 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
120 ft
1 main span
Daily traffic
3,876
2019 count
Owner
County
County Highway Agency

About this bridge

Southampton Road over Bynum Run is a prestressed concrete box beam or girders - multiple carrying Southampton Road over Bynum Run in Harford County, Maryland. It was built in 2010, so it is 15 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 3,876 vehicles a day, roughly 2% of them trucks, projected to reach 6,019 by 2039. The structure is 120 ft (36.6 m) long and 37 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesSouthampton Road
CrossesBynum Run
Location0.6 Miles W of Md 543
RouteCounty Highway 1054
CountyHarford County
StateMaryland
Coordinates39.55014, -76.334
Functional classRural Minor Collector

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.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
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 alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating40.5 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length120 ft (36.6 m)
Longest span100 ft (30.5 m)
Deck width37 ft (11.4 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,876 (2019)
Projected traffic6,019 by 2039
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 Southampton Road over Bynum Run built?

It was built in 2010, making it 15 years old in 2025.

What condition is Southampton Road over Bynum Run 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 November 2023.

How much traffic does Southampton Road over Bynum Run carry?

About 3,876 vehicles per day (2019 count), of which roughly 2% are trucks.

How long is Southampton Road over Bynum Run?

The structure is 120 ft (36.6 m) long with a longest span of 100 ft (30.5 m) and a deck 37 ft wide.

Who owns Southampton Road over Bynum Run?

It is owned by the County Highway Agency.