US Bridges

Dorsey Run Road over Deep Run

Good

Howard County, Maryland · 0.5 MI SE of US 1 · Structure no. 200000HO0176010

Built
1995
30 years old
Condition
Good
inspected April 2023
Type
Culvert
Steel
Length
40 ft
1 main span
Daily traffic
50
1996 count
Owner
County
County Highway Agency

About this bridge

Dorsey Run Road over Deep Run is a steel culvert carrying Dorsey Run Road over Deep Run in Howard County, Maryland. It was built in 1995, so it is 30 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 50 vehicles a day, roughly 50% of them trucks, projected to reach 50 by 2015. The structure is 40 ft (12.3 m) long. If it were closed, the detour would be 98.8 mi (159 km).

Location

Open in Google Maps
CarriesDorsey Run Road
CrossesDeep Run
Location0.5 MI SE of US 1
RouteCounty Highway 0
CountyHoward County
StateMaryland
Coordinates39.17927, -76.75706
Functional classRural Local

Condition and inspection

Good

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

ComponentRatingMeaning
Channel and channel protection8 Very GoodNo problems noted.
Culvert7 GoodSome minor problems.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating61 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans1
Design loadHS 20
Structure length40 ft (12.3 m)
Longest span40 ft (12.2 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (1996)
Projected traffic50 by 2015
Trucks50%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed98.8 mi (159 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 Dorsey Run Road over Deep Run built?

It was built in 1995, making it 30 years old in 2025.

What condition is Dorsey Run Road over Deep Run 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 April 2023.

How much traffic does Dorsey Run Road over Deep Run carry?

About 50 vehicles per day (1996 count), of which roughly 50% are trucks.

How long is Dorsey Run Road over Deep Run?

The structure is 40 ft (12.3 m) long with a longest span of 40 ft (12.2 m).

Who owns Dorsey Run Road over Deep Run?

It is owned by the County Highway Agency.