US Bridges

Snake Lane over James Run

Good

Harford County, Maryland · 0.21 MI E of Md 136 · Structure no. 200000H-0031010

Built
2019
6 years old
Condition
Good
inspected April 2023
Type
Slab
Prestressed Concrete
Length
31 ft
1 main span
Daily traffic
529
2021 count
Owner
County
County Highway Agency

About this bridge

Snake Lane over James Run is a prestressed concrete slab carrying Snake Lane over James Run in Harford County, Maryland. It was built in 2019, so it is 6 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 529 vehicles a day, roughly 2% of them trucks, projected to reach 661 by 2041. The structure is 31 ft (9.6 m) long and 27 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesSnake Lane
CrossesJames Run
Location0.21 MI E of Md 136
RouteCounty Highway 221
CountyHarford County
StateMaryland
Coordinates39.535, -76.25647
Functional classRural Local

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.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating82.9 US tons
Inventory rating62.5 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length31 ft (9.6 m)
Longest span28 ft (8.5 m)
Deck width27 ft (8.1 m)
Roadway width25 ft (7.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic529 (2021)
Projected traffic661 by 2041
Trucks2%
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

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 Snake Lane over James Run built?

It was built in 2019, making it 6 years old in 2025.

What condition is Snake Lane over James 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 April 2023.

How much traffic does Snake Lane over James Run carry?

About 529 vehicles per day (2021 count), of which roughly 2% are trucks.

How long is Snake Lane over James Run?

The structure is 31 ft (9.6 m) long with a longest span of 28 ft (8.5 m) and a deck 27 ft wide.

Who owns Snake Lane over James Run?

It is owned by the County Highway Agency.