US Bridges

Md 450B over CSX Trans.

Good

Prince George's County, Maryland · .164 Mile South of Md 197 · Structure no. 100000160017010

Built
2006
19 years old
Condition
Good
inspected October 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
104 ft
1 main span
Daily traffic
10,841
2018 count
Owner
State
State Highway Agency

About this bridge

Md 450B over CSX Trans. is a prestressed concrete continuous stringer/multi-beam or girder carrying Md 450B over CSX Trans. in Prince George's County, Maryland. It was built in 2006, so it is 19 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 10,841 vehicles a day, roughly 6% of them trucks, projected to reach 10,883 by 2038. The structure is 104 ft (31.7 m) long and 46 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

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CarriesMd 450B
CrossesCSX Trans.
Location.164 Mile South of Md 197
RouteState Highway 450B
CountyPrince George's County
StateMaryland
Coordinates38.96955, -76.75814
Functional classUrban Collector

Condition and inspection

Good

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

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation8: Equal to present desirable criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating58.5 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans1
Design loadHS 25 or greater
Structure length104 ft (31.7 m)
Longest span100 ft (30.5 m)
Deck width46 ft (14 m)
Roadway width42 ft (12.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10,841 (2018)
Projected traffic10,883 by 2038
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesRailroad
Detour if closed1.9 mi (3 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 450B over CSX Trans. built?

It was built in 2006, making it 19 years old in 2025.

What condition is Md 450B over CSX Trans. 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 October 2024.

How much traffic does Md 450B over CSX Trans. carry?

About 10,841 vehicles per day (2018 count), of which roughly 6% are trucks.

How long is Md 450B over CSX Trans.?

The structure is 104 ft (31.7 m) long with a longest span of 100 ft (30.5 m) and a deck 46 ft wide.

Who owns Md 450B over CSX Trans.?

It is owned by the State Highway Agency.