US Bridges

Montpelier Drive over Deerfield Run

Fair

Prince George's County, Maryland · 0.84 MI SW of Md 197 · Structure no. 200000P-0170030

Built
1971
54 years old
Condition
Fair
inspected February 2023
Type
Culvert
Concrete
Length
22 ft
Daily traffic
6,970
2023 count
Owner
County
County Highway Agency

About this bridge

Montpelier Drive over Deerfield Run is a concrete culvert carrying Montpelier Drive over Deerfield Run in Prince George's County, Maryland. It was built in 1971, so it is 54 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 6,970 vehicles a day, roughly 10% of them trucks, projected to reach 10,360 by 2043. The structure is 22 ft (6.7 m) long. If it were closed, the detour would be 1.9 mi (3 km).

Location

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CarriesMontpelier Drive
CrossesDeerfield Run
Location0.84 MI SW of Md 197
RouteCounty Highway 70
CountyPrince George's County
StateMaryland
Coordinates39.06551, -76.85469
Functional classUrban 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 protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans0
Design loadH 20
Structure length22 ft (6.7 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,970 (2023)
Projected traffic10,360 by 2043
Trucks10%
Lanes on structure3
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.9 mi (3 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 Montpelier Drive over Deerfield Run built?

It was built in 1971, making it 54 years old in 2025.

What condition is Montpelier Drive over Deerfield Run 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 February 2023.

How much traffic does Montpelier Drive over Deerfield Run carry?

About 6,970 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is Montpelier Drive over Deerfield Run?

The structure is 22 ft (6.7 m) long with a longest span of 10 ft (3 m).

Who owns Montpelier Drive over Deerfield Run?

It is owned by the County Highway Agency.