US Bridges

Is 70 EB over Little Conococheague Cre

Good

Washington County, Maryland · 1.34 Miles East of Md 68 · Structure no. 100000210101023

Built
1965
60 years old, rebuilt 1973
Condition
Good
inspected November 2023
Type
Culvert
Concrete
Length
72 ft
Daily traffic
40,770
2009 count
Owner
State
State Highway Agency

About this bridge

Is 70 EB over Little Conococheague Cre is a concrete culvert carrying Is 70 EB over Little Conococheague Cre in Washington County, Maryland. It was built in 1965 and reconstructed in 1973, 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 good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 40,770 vehicles a day, roughly 8% of them trucks, projected to reach 27,268 by 2026. The structure is 72 ft (21.9 m) long. If it were closed, the detour would be 1.2 mi (2 km).

CarriesIs 70 EB
CrossesLittle Conococheague Cre
Location1.34 Miles East of Md 68
RouteInterstate 70
Coordinates39.65123, -77.89795
Functional classRural Principal Arterial - Interstate

Condition and inspection

Good

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

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert7 GoodSome minor problems.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating87 US tons
Inventory rating52 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans0
Design loadHS 20
Structure length72 ft (21.9 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 EB over Little Conococheague Cre built?

It was built in 1965, making it 60 years old in 2025. It was reconstructed in 1973.

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

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

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

How long is Is 70 EB over Little Conococheague Cre?

The structure is 72 ft (21.9 m) long with a longest span of 13 ft (4 m).

Who owns Is 70 EB over Little Conococheague Cre?

It is owned by the State Highway Agency.