US Bridges

Whitaker Mill Road over High Bridge Branch

Fair

Harford County, Maryland · 1.4 Miles E of US 1 · Structure no. 200000H-0052040

Built
1998
27 years old
Condition
Fair
inspected August 2023
Type
Frame
Concrete
Length
25 ft
1 main span
Daily traffic
1,325
2019 count
Owner
County
County Highway Agency

About this bridge

Whitaker Mill Road over High Bridge Branch is a concrete frame carrying Whitaker Mill Road over High Bridge Branch in Harford County, Maryland. It was built in 1998, so it is 27 years old, younger 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 1,325 vehicles a day, roughly 5% of them trucks, projected to reach 1,620 by 2039. The structure is 25 ft (7.6 m) long and 27 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesWhitaker Mill Road
CrossesHigh Bridge Branch
Location1.4 Miles E of US 1
RouteCounty Highway 257
Coordinates39.30041, -76.21348
Functional classRural Minor Collector

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating88 US tons
Inventory rating52.5 US tons

Structure

Structure typeFrame
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length25 ft (7.6 m)
Longest span23 ft (7 m)
Deck width27 ft (8.2 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,325 (2019)
Projected traffic1,620 by 2039
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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 Whitaker Mill Road over High Bridge Branch built?

It was built in 1998, making it 27 years old in 2025.

What condition is Whitaker Mill Road over High Bridge Branch 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 August 2023.

How much traffic does Whitaker Mill Road over High Bridge Branch carry?

About 1,325 vehicles per day (2019 count), of which roughly 5% are trucks.

How long is Whitaker Mill Road over High Bridge Branch?

The structure is 25 ft (7.6 m) long with a longest span of 23 ft (7 m) and a deck 27 ft wide.

Who owns Whitaker Mill Road over High Bridge Branch?

It is owned by the County Highway Agency.