US Bridges

Bottom Road over Overshot Branch

Good

Harford County, Maryland · 0.03 Miles N of Guyton RD · Structure no. 200000H-0057010

Built
1978
47 years old
Condition
Good
inspected July 2023
Type
Slab
Prestressed Concrete
Length
42 ft
1 main span
Daily traffic
300
2019 count
Owner
County
County Highway Agency

About this bridge

Bottom Road over Overshot Branch is a prestressed concrete slab carrying Bottom Road over Overshot Branch 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 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 300 vehicles a day, roughly 5% of them trucks, projected to reach 370 by 2039. The structure is 42 ft (12.8 m) long and 30 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesBottom Road
CrossesOvershot Branch
Location0.03 Miles N of Guyton RD
RouteCounty Highway 271
Coordinates39.50478, -76.42923
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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating110.1 US tons
Inventory rating63.9 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length42 ft (12.8 m)
Longest span37 ft (11.3 m)
Deck width30 ft (9.2 m)
Roadway width27 ft (8.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic300 (2019)
Projected traffic370 by 2039
Trucks5%
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 Bottom Road over Overshot Branch built?

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

What condition is Bottom Road over Overshot Branch 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 July 2023.

How much traffic does Bottom Road over Overshot Branch carry?

About 300 vehicles per day (2019 count), of which roughly 5% are trucks.

How long is Bottom Road over Overshot Branch?

The structure is 42 ft (12.8 m) long with a longest span of 37 ft (11.3 m) and a deck 30 ft wide.

Who owns Bottom Road over Overshot Branch?

It is owned by the County Highway Agency.