US Bridges

Is 95/495 over Md 450

Fair

Prince George's County, Maryland · 1.05 Miles N of Is 595 · Structure no. 100000160144015

Built
1963
62 years old, rebuilt 1971
Condition
Fair
inspected September 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
191 ft
4 main spans
Daily traffic
204,147
2009 count
Owner
State
State Highway Agency

About this bridge

Is 95/495 over Md 450 is a steel stringer/multi-beam or girder carrying Is 95/495 over Md 450 in Prince George's County, Maryland. It was built in 1963 and reconstructed in 1971, so it is 62 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 5 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 204,147 vehicles a day, roughly 8% of them trucks, projected to reach 113,589 by 2026. The structure is 191 ft (58.2 m) long and 71 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesIs 95/495
CrossesMd 450
Location1.05 Miles N of Is 595
RouteInterstate 95
CountyPrince George's County
StateMaryland
Coordinates38.9593, -76.8659
Functional classUrban Principal Arterial - Interstate

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating63.9 US tons
Inventory rating38.5 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length191 ft (58.2 m)
Longest span54 ft (16.5 m)
Deck width71 ft (21.7 m)
Roadway width66 ft (20.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic204,147 (2009)
Projected traffic113,589 by 2026
Trucks8%
Lanes on structure4
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$1.8 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was Is 95/495 over Md 450 built?

It was built in 1963, making it 62 years old in 2025. It was reconstructed in 1971.

What condition is Is 95/495 over Md 450 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 September 2023.

How much traffic does Is 95/495 over Md 450 carry?

About 204,147 vehicles per day (2009 count), of which roughly 8% are trucks.

How long is Is 95/495 over Md 450?

The structure is 191 ft (58.2 m) long with a longest span of 54 ft (16.5 m) and a deck 71 ft wide.

Who owns Is 95/495 over Md 450?

It is owned by the State Highway Agency.