US Bridges

Murray Hill Road over Middle Patuxent River

Fair

Howard County, Maryland · 0.1 MI S Vollmerhausen RD · Structure no. 200000HO0014010

Built
1988
37 years old
Condition
Fair
inspected March 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
135 ft
2 main spans
Daily traffic
13,409
2024 count
Owner
County
County Highway Agency

About this bridge

Murray Hill Road over Middle Patuxent River is a steel continuous stringer/multi-beam or girder carrying Murray Hill Road over Middle Patuxent River in Howard County, Maryland. It was built in 1988, so it is 37 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 13,409 vehicles a day, roughly 4% of them trucks, projected to reach 16,370 by 2044. The structure is 135 ft (41 m) long and 39 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesMurray Hill Road
CrossesMiddle Patuxent River
Location0.1 MI S Vollmerhausen RD
RouteCounty Highway 115
Coordinates39.16015, -76.85197
Functional classRural 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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating78.5 US tons
Inventory rating47 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length135 ft (41 m)
Longest span65 ft (19.8 m)
Deck width39 ft (11.9 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic13,409 (2024)
Projected traffic16,370 by 2044
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 Murray Hill Road over Middle Patuxent River built?

It was built in 1988, making it 37 years old in 2025.

What condition is Murray Hill Road over Middle Patuxent River 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 Murray Hill Road over Middle Patuxent River carry?

About 13,409 vehicles per day (2024 count), of which roughly 4% are trucks.

How long is Murray Hill Road over Middle Patuxent River?

The structure is 135 ft (41 m) long with a longest span of 65 ft (19.8 m) and a deck 39 ft wide.

Who owns Murray Hill Road over Middle Patuxent River?

It is owned by the County Highway Agency.