US Bridges

Is 68 over Fifteen Mile Creek

Fair

Allegany County, Maryland · 0.08 MI E of US 40 Scn · Structure no. 100000010087010

Built
1990
35 years old
Condition
Fair
inspected August 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
216 ft
3 main spans
Daily traffic
18,400
2009 count
Owner
State
State Highway Agency

About this bridge

Is 68 over Fifteen Mile Creek is a steel continuous stringer/multi-beam or girder carrying Is 68 over Fifteen Mile Creek in Allegany County, Maryland. It was built in 1990, so it is 35 years old, younger 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 18,400 vehicles a day, roughly 8% of them trucks, projected to reach 16,286 by 2026. The structure is 216 ft (65.8 m) long and 103 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesIs 68
CrossesFifteen Mile Creek
Location0.08 MI E of US 40 Scn
RouteInterstate 68
Coordinates39.67799, -78.46693
Functional classRural 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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating89.9 US tons
Inventory rating53.5 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length216 ft (65.8 m)
Longest span84 ft (25.6 m)
Deck width103 ft (31.3 m)
Roadway width99 ft (30.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic18,400 (2009)
Projected traffic16,286 by 2026
Trucks8%
Lanes on structure5
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
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—
NavigationNo navigation control on waterway

Frequently asked questions

When was Is 68 over Fifteen Mile Creek built?

It was built in 1990, making it 35 years old in 2025.

What condition is Is 68 over Fifteen Mile Creek 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 August 2024.

How much traffic does Is 68 over Fifteen Mile Creek carry?

About 18,400 vehicles per day (2009 count), of which roughly 8% are trucks.

How long is Is 68 over Fifteen Mile Creek?

The structure is 216 ft (65.8 m) long with a longest span of 84 ft (25.6 m) and a deck 103 ft wide.

Who owns Is 68 over Fifteen Mile Creek?

It is owned by the State Highway Agency.