US Bridges

Md 28 over CSXT WMATA Ramp

Fair

Montgomery County, Maryland · 0.19 Mile West of Md 911 · Structure no. 100000150006010

Built
1981
44 years old
Condition
Fair
inspected September 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
313 ft
3 main spans
Daily traffic
27,020
2009 count
Owner
State
State Highway Agency

About this bridge

Md 28 over CSXT WMATA Ramp is a steel continuous stringer/multi-beam or girder carrying Md 28 over CSXT WMATA Ramp in Montgomery County, Maryland. It was built in 1981, so it is 44 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 27,020 vehicles a day, roughly 8% of them trucks, projected to reach 44,296 by 2039. The structure is 313 ft (95.4 m) long and 90 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesMd 28
CrossesCSXT WMATA Ramp
Location0.19 Mile West of Md 911
RouteState Highway 28
Coordinates39.08057, -77.14204
Functional classUrban Other Principal Arterial

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating88.5 US tons
Inventory rating53 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length313 ft (95.4 m)
Longest span104 ft (31.7 m)
Deck width90 ft (27.4 m)
Roadway width74 ft (22.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic27,020 (2009)
Projected traffic44,296 by 2039
Trucks8%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway and railroad
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Md 28 over CSXT WMATA Ramp built?

It was built in 1981, making it 44 years old in 2025.

What condition is Md 28 over CSXT WMATA Ramp 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 September 2023.

How much traffic does Md 28 over CSXT WMATA Ramp carry?

About 27,020 vehicles per day (2009 count), of which roughly 8% are trucks.

How long is Md 28 over CSXT WMATA Ramp?

The structure is 313 ft (95.4 m) long with a longest span of 104 ft (31.7 m) and a deck 90 ft wide.

Who owns Md 28 over CSXT WMATA Ramp?

It is owned by the State Highway Agency.