US Bridges

Is 70 WB over Little Conococheague Cre

Fair

Washington County, Maryland · 1.34 Miles East of Md 68 · Structure no. 100000210101024

Built
1965
60 years old
Condition
Fair
inspected November 2023
Type
Culvert
Concrete
Length
41 ft
Daily traffic
40,770
2009 count
Owner
State
State Highway Agency

About this bridge

Is 70 WB over Little Conococheague Cre is a concrete culvert carrying Is 70 WB over Little Conococheague Cre in Washington County, Maryland. It was built in 1965, so it is 60 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 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 40,770 vehicles a day, roughly 8% of them trucks, projected to reach 27,268 by 2026. The structure is 41 ft (12.5 m) long. If it were closed, the detour would be 1.2 mi (2 km).

CarriesIs 70 WB
CrossesLittle Conococheague Cre
Location1.34 Miles East of Md 68
RouteInterstate 70
Coordinates39.65251, -77.89723
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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating110.1 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans0
Design loadHS 20
Structure length41 ft (12.5 m)
Longest span13 ft (4 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic40,770 (2009)
Projected traffic27,268 by 2026
Trucks8%
Lanes on structure2
Traffic directionOne-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 70 WB over Little Conococheague Cre built?

It was built in 1965, making it 60 years old in 2025.

What condition is Is 70 WB over Little Conococheague Cre 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 November 2023.

How much traffic does Is 70 WB over Little Conococheague Cre carry?

About 40,770 vehicles per day (2009 count), of which roughly 8% are trucks.

How long is Is 70 WB over Little Conococheague Cre?

The structure is 41 ft (12.5 m) long with a longest span of 13 ft (4 m).

Who owns Is 70 WB over Little Conococheague Cre?

It is owned by the State Highway Agency.