US Bridges

Milford Mill Road over Gwynns Falls

Fair

Baltimore County, Maryland · 250 Ft E Scotts Hill DR · Structure no. 200000B-0076010

Built
1983
42 years old
Condition
Fair
inspected June 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
96 ft
1 main span
Daily traffic
24,976
2021 count
Owner
County
County Highway Agency

About this bridge

Milford Mill Road over Gwynns Falls is a prestressed concrete box beam or girders - multiple carrying Milford Mill Road over Gwynns Falls in Baltimore County, Maryland. It was built in 1983, so it is 42 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 5 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 24,976 vehicles a day, roughly 5% of them trucks, projected to reach 37,186 by 2041. The structure is 96 ft (29.3 m) long and 59 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesMilford Mill Road
CrossesGwynns Falls
Location250 Ft E Scotts Hill DR
RouteCounty Highway 1800
Coordinates39.35991, -76.74475
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
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 inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating72 US tons

Structure

MaterialPrestressed Concrete
DeckNot applicable
Main spans1
Design loadHS 20
Structure length96 ft (29.3 m)
Longest span92 ft (28 m)
Deck width59 ft (18 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic24,976 (2021)
Projected traffic37,186 by 2041
Trucks5%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.9 mi (3 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 Milford Mill Road over Gwynns Falls built?

It was built in 1983, making it 42 years old in 2025.

What condition is Milford Mill Road over Gwynns Falls 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 June 2023.

How much traffic does Milford Mill Road over Gwynns Falls carry?

About 24,976 vehicles per day (2021 count), of which roughly 5% are trucks.

How long is Milford Mill Road over Gwynns Falls?

The structure is 96 ft (29.3 m) long with a longest span of 92 ft (28 m) and a deck 59 ft wide.

Who owns Milford Mill Road over Gwynns Falls?

It is owned by the County Highway Agency.