US Bridges

Md 624 over Broad Creek

Fair

Harford County, Maryland · 1.15 Miles N of Md 165 · Structure no. 100000120054010

Built
1936
89 years old, rebuilt 1959
Condition
Fair
inspected April 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
25 ft
1 main span
Daily traffic
3,920
2009 count
Owner
State
State Highway Agency

About this bridge

Md 624 over Broad Creek is a steel stringer/multi-beam or girder carrying Md 624 over Broad Creek in Harford County, Maryland. It was built in 1936 and reconstructed in 1959, so it is 89 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 3,920 vehicles a day, roughly 8% of them trucks, projected to reach 4,059 by 2026. The structure is 25 ft (7.6 m) long and 31 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesMd 624
CrossesBroad Creek
Location1.15 Miles N of Md 165
RouteState Highway 624
CountyHarford County
StateMaryland
Coordinates39.69619, -76.39021
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
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 rating48.9 US tons
Inventory rating29.5 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadH 20
Structure length25 ft (7.6 m)
Longest span24 ft (7.3 m)
Deck width31 ft (9.6 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,920 (2009)
Projected traffic4,059 by 2026
Trucks8%
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

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$52,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Md 624 over Broad Creek built?

It was built in 1936, making it 89 years old in 2025. It was reconstructed in 1959.

What condition is Md 624 over Broad Creek 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 Md 624 over Broad Creek carry?

About 3,920 vehicles per day (2009 count), of which roughly 8% are trucks.

How long is Md 624 over Broad Creek?

The structure is 25 ft (7.6 m) long with a longest span of 24 ft (7.3 m) and a deck 31 ft wide.

Who owns Md 624 over Broad Creek?

It is owned by the State Highway Agency.