US Bridges

US 29 Ramp 7 over US 29 Nbr

Fair

Howard County, Maryland · 0.36 Mile South of Md 103 · Structure no. 100000130119010

Built
1992
33 years old
Condition
Fair
inspected April 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
374 ft
3 main spans
Daily traffic
11,348
2008 count
Owner
State
State Highway Agency

About this bridge

US 29 Ramp 7 over US 29 Nbr is a steel stringer/multi-beam or girder carrying US 29 Ramp 7 over US 29 Nbr in Howard County, Maryland. It was built in 1992, so it is 33 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 11,348 vehicles a day, roughly 8% of them trucks, projected to reach 13,084 by 2028. The structure is 374 ft (114 m) long and 37 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesUS 29 Ramp 7
CrossesUS 29 Nbr
Location0.36 Mile South of Md 103
RouteU.S. Route 29
Coordinates39.2517, -76.82306
Functional classUrban Principal Arterial - Other Freeway or Expressway

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.
Last inspectionApril 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 rating75 US tons
Inventory rating45 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length374 ft (114 m)
Longest span190 ft (57.9 m)
Deck width37 ft (11.3 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic11,348 (2008)
Projected traffic13,084 by 2028
Trucks8%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed3.1 mi (5 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—
NavigationNo navigation control on waterway

Frequently asked questions

When was US 29 Ramp 7 over US 29 Nbr built?

It was built in 1992, making it 33 years old in 2025.

What condition is US 29 Ramp 7 over US 29 Nbr 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 April 2023.

How much traffic does US 29 Ramp 7 over US 29 Nbr carry?

About 11,348 vehicles per day (2008 count), of which roughly 8% are trucks.

How long is US 29 Ramp 7 over US 29 Nbr?

The structure is 374 ft (114 m) long with a longest span of 190 ft (57.9 m) and a deck 37 ft wide.

Who owns US 29 Ramp 7 over US 29 Nbr?

It is owned by the State Highway Agency.