US Bridges

Prospect Road over Deep Creek

Fair

Harford County, Maryland · 1.1 Miles N of Md 136 · Structure no. 200000H-0217030

Built
1950
75 years old, rebuilt 2019
Condition
Fair
inspected November 2023
Type
Culvert
Concrete
Length
22 ft
Daily traffic
575
2021 count
Owner
County
County Highway Agency

About this bridge

Prospect Road over Deep Creek is a concrete culvert carrying Prospect Road over Deep Creek in Harford County, Maryland. It was built in 1950 and reconstructed in 2019, so it is 75 years old, older 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 575 vehicles a day, roughly 5% of them trucks, projected to reach 701 by 2041. The structure is 22 ft (6.7 m) long and 31 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

Location

Open in Google Maps
CarriesProspect Road
CrossesDeep Creek
Location1.1 Miles N of Md 136
RouteCounty Highway 118
CountyHarford County
StateMaryland
Coordinates39.70607, -76.29912
Functional classRural Local

Condition and inspection

Fair

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

ComponentRatingMeaning
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy3: Basically intolerable, requiring high priority of corrective action
Approach roadway alignment7: Better than present minimum criteria
Operating rating69 US tons
Inventory rating41.4 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans0
Design loadHS 20
Structure length22 ft (6.7 m)
Longest span6 ft (1.8 m)
Deck width31 ft (9.5 m)
Roadway width23 ft (6.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic575 (2021)
Projected traffic701 by 2041
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 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 Prospect Road over Deep Creek built?

It was built in 1950, making it 75 years old in 2025. It was reconstructed in 2019.

What condition is Prospect Road over Deep Creek 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 2023.

How much traffic does Prospect Road over Deep Creek carry?

About 575 vehicles per day (2021 count), of which roughly 5% are trucks.

How long is Prospect Road over Deep Creek?

The structure is 22 ft (6.7 m) long with a longest span of 6 ft (1.8 m) and a deck 31 ft wide.

Who owns Prospect Road over Deep Creek?

It is owned by the County Highway Agency.