US Bridges

Md 462 over Carsins Run

Fair

Harford County, Maryland · 0.66 Mile North of Md 22 · Structure no. 100000120047010

Built
1978
47 years old
Condition
Fair
inspected November 2023
Type
Slab
Concrete
Length
64 ft
1 main span
Daily traffic
6,960
2009 count
Owner
State
State Highway Agency

About this bridge

Md 462 over Carsins Run is a concrete slab carrying Md 462 over Carsins Run in Harford County, Maryland. It was built in 1978, so it is 47 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 6,960 vehicles a day, roughly 8% of them trucks, projected to reach 7,840 by 2026. The structure is 64 ft (19.5 m) long and 48 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Location

Open in Google Maps
CarriesMd 462
CrossesCarsins Run
Location0.66 Mile North of Md 22
RouteState Highway 462
CountyHarford County
StateMaryland
Coordinates39.53144, -76.16889
Functional classUrban Minor Arterial

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 protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 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 adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating86.5 US tons
Inventory rating52 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length64 ft (19.5 m)
Longest span60 ft (18.3 m)
Deck width48 ft (14.7 m)
Roadway width36 ft (11.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,960 (2009)
Projected traffic7,840 by 2026
Trucks8%
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

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 462 over Carsins Run built?

It was built in 1978, making it 47 years old in 2025.

What condition is Md 462 over Carsins Run 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 November 2023.

How much traffic does Md 462 over Carsins Run carry?

About 6,960 vehicles per day (2009 count), of which roughly 8% are trucks.

How long is Md 462 over Carsins Run?

The structure is 64 ft (19.5 m) long with a longest span of 60 ft (18.3 m) and a deck 48 ft wide.

Who owns Md 462 over Carsins Run?

It is owned by the State Highway Agency.