US Bridges

Md 108 over Md 32

Good

Howard County, Maryland · 0.09 M E of Ten Oaks Road · Structure no. 100000130133010

Built
1996
29 years old
Condition
Good
inspected July 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
227 ft
2 main spans
Daily traffic
19,870
2009 count
Owner
State
State Highway Agency

About this bridge

Md 108 over Md 32 is a steel stringer/multi-beam or girder carrying Md 108 over Md 32 in Howard County, Maryland. It was built in 1996, so it is 29 years old, younger than the Maryland average of 52.6 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 19,870 vehicles a day, roughly 8% of them trucks, projected to reach 23,372 by 2026. The structure is 227 ft (69.2 m) long and 85 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesMd 108
CrossesMd 32
Location0.09 M E of Ten Oaks Road
RouteState Highway 108
Coordinates39.20745, -76.94199
Functional classUrban Minor Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36 US tons
Inventory rating36 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans2
Design loadHS 25 or greater
Structure length227 ft (69.2 m)
Longest span111 ft (33.8 m)
Deck width85 ft (25.8 m)
Roadway width72 ft (21.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic19,870 (2009)
Projected traffic23,372 by 2026
Trucks8%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed3.1 mi (5 km)
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 108 over Md 32 built?

It was built in 1996, making it 29 years old in 2025.

What condition is Md 108 over Md 32 in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in July 2023.

How much traffic does Md 108 over Md 32 carry?

About 19,870 vehicles per day (2009 count), of which roughly 8% are trucks.

How long is Md 108 over Md 32?

The structure is 227 ft (69.2 m) long with a longest span of 111 ft (33.8 m) and a deck 85 ft wide.

Who owns Md 108 over Md 32?

It is owned by the State Highway Agency.