US Bridges

Leishear Road over Hammond Branch

Fair

Howard County, Maryland · 0.2 MI N of Md RTE 216 · Structure no. 200000HO0058020

Built
1969
56 years old, rebuilt 2002
Condition
Fair
inspected March 2024
Type
Culvert
Concrete
Length
27 ft
Daily traffic
9,330
2024 count
Owner
County
County Highway Agency

About this bridge

Leishear Road over Hammond Branch is a concrete culvert carrying Leishear Road over Hammond Branch in Howard County, Maryland. It was built in 1969 and reconstructed in 2002, so it is 56 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 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 9,330 vehicles a day, roughly 4% of them trucks, projected to reach 11,620 by 2046. The structure is 27 ft (8.2 m) long. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesLeishear Road
CrossesHammond Branch
Location0.2 MI N of Md RTE 216
RouteCounty Highway 91
CountyHoward County
StateMaryland
Coordinates39.14143, -76.87652
Functional classUrban Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating76.5 US tons
Inventory rating45.5 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans0
Design loadHS 20
Structure length27 ft (8.2 m)
Longest span12 ft (3.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic9,330 (2024)
Projected traffic11,620 by 2046
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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 Leishear Road over Hammond Branch built?

It was built in 1969, making it 56 years old in 2025. It was reconstructed in 2002.

What condition is Leishear Road over Hammond Branch 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 March 2024.

How much traffic does Leishear Road over Hammond Branch carry?

About 9,330 vehicles per day (2024 count), of which roughly 4% are trucks.

How long is Leishear Road over Hammond Branch?

The structure is 27 ft (8.2 m) long with a longest span of 12 ft (3.7 m).

Who owns Leishear Road over Hammond Branch?

It is owned by the County Highway Agency.