US Bridges

Md 425 over Br of Hill Top Fork

Good

Charles County, Maryland · 1.99 Miles South of Md 6 · Structure no. 100000080043010

Built
1995
30 years old
Condition
Good
inspected September 2023
Type
Slab
Prestressed Concrete
Length
55 ft
2 main spans
Daily traffic
2,400
2009 count
Owner
State
State Highway Agency

About this bridge

Md 425 over Br of Hill Top Fork is a prestressed concrete slab carrying Md 425 over Br of Hill Top Fork in Charles County, Maryland. It was built in 1995, so it is 30 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 2,400 vehicles a day, roughly 6% of them trucks, projected to reach 2,894 by 2026. The structure is 55 ft (16.8 m) long and 33 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

CarriesMd 425
CrossesBr of Hill Top Fork
Location1.99 Miles South of Md 6
RouteState Highway 425
Coordinates38.46628, -77.16281
Functional classRural Major 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 rating61 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans2
Design loadHS 25 or greater
Structure length55 ft (16.8 m)
Longest span26 ft (7.9 m)
Deck width33 ft (10.1 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,400 (2009)
Projected traffic2,894 by 2026
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Md 425 over Br of Hill Top Fork built?

It was built in 1995, making it 30 years old in 2025.

What condition is Md 425 over Br of Hill Top Fork 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 Md 425 over Br of Hill Top Fork carry?

About 2,400 vehicles per day (2009 count), of which roughly 6% are trucks.

How long is Md 425 over Br of Hill Top Fork?

The structure is 55 ft (16.8 m) long with a longest span of 26 ft (7.9 m) and a deck 33 ft wide.

Who owns Md 425 over Br of Hill Top Fork?

It is owned by the State Highway Agency.