US Bridges

Brierhill Drive over Bynum Run

Good

Harford County, Maryland · 0.4 Miles S of Md 22 · Structure no. 200000H-0180010

Built
1987
38 years old
Condition
Good
inspected September 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
120 ft
1 main span
Daily traffic
9,278
2019 count
Owner
County
County Highway Agency

About this bridge

Brierhill Drive over Bynum Run is a steel stringer/multi-beam or girder carrying Brierhill Drive over Bynum Run in Harford County, Maryland. It was built in 1987, so it is 38 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 9,278 vehicles a day, roughly 5% of them trucks, projected to reach 8,446 by 2039. The structure is 120 ft (36.6 m) long and 48 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

Location

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CarriesBrierhill Drive
CrossesBynum Run
Location0.4 Miles S of Md 22
RouteCounty Highway 1218
CountyHarford County
StateMaryland
Coordinates39.53771, -76.32403
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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 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 adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating83 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length120 ft (36.6 m)
Longest span115 ft (35.1 m)
Deck width48 ft (14.7 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic9,278 (2019)
Projected traffic8,446 by 2039
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 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 Brierhill Drive over Bynum Run built?

It was built in 1987, making it 38 years old in 2025.

What condition is Brierhill Drive 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 September 2023.

How much traffic does Brierhill Drive over Bynum Run carry?

About 9,278 vehicles per day (2019 count), of which roughly 5% are trucks.

How long is Brierhill Drive over Bynum Run?

The structure is 120 ft (36.6 m) long with a longest span of 115 ft (35.1 m) and a deck 48 ft wide.

Who owns Brierhill Drive over Bynum Run?

It is owned by the County Highway Agency.