US Bridges

Is 68 Ramp D(5) over Centre Street

Fair

Allegany County, Maryland · 0.52 MI E of US 48H · Structure no. 100000010110010

Built
1968
57 years old, rebuilt 2014
Condition
Fair
inspected July 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
354 ft
6 main spans
Daily traffic
14,023
2022 count
Owner
State
State Highway Agency

About this bridge

Is 68 Ramp D(5) over Centre Street is a steel stringer/multi-beam or girder carrying Is 68 Ramp D(5) over Centre Street in Allegany County, Maryland. It was built in 1968 and reconstructed in 2014, so it is 57 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 14,023 vehicles a day, roughly 8% of them trucks, projected to reach 16,050 by 2042. The structure is 354 ft (107.9 m) long and 25 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesIs 68 Ramp D(5)
CrossesCentre Street
Location0.52 MI E of US 48H
RouteInterstate 68
CountyAllegany County
StateMaryland
Coordinates39.64901, -78.76094
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.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJuly 2024
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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating80 US tons
Inventory rating48 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans6
Design loadHS 20
Structure length354 ft (107.9 m)
Longest span63 ft (19.2 m)
Deck width25 ft (7.7 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic14,023 (2022)
Projected traffic16,050 by 2042
Trucks8%
Lanes on structure1
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 proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Is 68 Ramp D(5) over Centre Street built?

It was built in 1968, making it 57 years old in 2025. It was reconstructed in 2014.

What condition is Is 68 Ramp D(5) over Centre Street 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 July 2024.

How much traffic does Is 68 Ramp D(5) over Centre Street carry?

About 14,023 vehicles per day (2022 count), of which roughly 8% are trucks.

How long is Is 68 Ramp D(5) over Centre Street?

The structure is 354 ft (107.9 m) long with a longest span of 63 ft (19.2 m) and a deck 25 ft wide.

Who owns Is 68 Ramp D(5) over Centre Street?

It is owned by the State Highway Agency.