US Bridges

Md 103 over US 29

Fair

Howard County, Maryland · 1.89 Miles North of US 29 · Structure no. 100000130122010

Built
1992
33 years old
Condition
Fair
inspected November 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
245 ft
2 main spans
Daily traffic
12,161
2009 count
Owner
State
State Highway Agency

About this bridge

Md 103 over US 29 is a steel stringer/multi-beam or girder carrying Md 103 over US 29 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 12,161 vehicles a day, roughly 8% of them trucks, projected to reach 15,152 by 2026. The structure is 245 ft (74.7 m) long and 52 ft wide.

CarriesMd 103
CrossesUS 29
Location1.89 Miles North of US 29
RouteState Highway 103
Coordinates39.25612, -76.82067
Functional classUrban Collector

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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating85 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length245 ft (74.7 m)
Longest span123 ft (37.5 m)
Deck width52 ft (15.8 m)
Roadway width42 ft (12.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic12,161 (2009)
Projected traffic15,152 by 2026
Trucks8%
Lanes on structure3
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed—
TollOn a free road
National Highway SystemNo

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 103 over US 29 built?

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

What condition is Md 103 over US 29 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 November 2024.

How much traffic does Md 103 over US 29 carry?

About 12,161 vehicles per day (2009 count), of which roughly 8% are trucks.

How long is Md 103 over US 29?

The structure is 245 ft (74.7 m) long with a longest span of 123 ft (37.5 m) and a deck 52 ft wide.

Who owns Md 103 over US 29?

It is owned by the State Highway Agency.