US Bridges

Md 450 over Lottsford Branch

Good

Prince George's County, Maryland · 0.19 M E of Atwell Ave · Structure no. 100000160258020

Built
1999
26 years old
Condition
Good
inspected March 2023
Type
Culvert
Concrete
Length
32 ft
Daily traffic
27,830
2012 count
Owner
State
State Highway Agency

About this bridge

Md 450 over Lottsford Branch is a concrete culvert carrying Md 450 over Lottsford Branch in Prince George's County, Maryland. It was built in 1999, so it is 26 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 27,830 vehicles a day, roughly 4% of them trucks, projected to reach 37,571 by 2032. The structure is 32 ft (9.8 m) long.

CarriesMd 450
CrossesLottsford Branch
Location0.19 M E of Atwell Ave
RouteState Highway 450
Coordinates38.95726, -76.80616
Functional classUrban Other Principal Arterial

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 inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
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 rating110.1 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans0
Design loadHS 25 or greater
Structure length32 ft (9.8 m)
Longest span15 ft (4.6 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic27,830 (2012)
Projected traffic37,571 by 2032
Trucks4%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
TollOn a free road
National Highway SystemYes

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—
NavigationNo navigation control on waterway

Frequently asked questions

When was Md 450 over Lottsford Branch built?

It was built in 1999, making it 26 years old in 2025.

What condition is Md 450 over Lottsford Branch 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 March 2023.

How much traffic does Md 450 over Lottsford Branch carry?

About 27,830 vehicles per day (2012 count), of which roughly 4% are trucks.

How long is Md 450 over Lottsford Branch?

The structure is 32 ft (9.8 m) long with a longest span of 15 ft (4.6 m).

Who owns Md 450 over Lottsford Branch?

It is owned by the State Highway Agency.