US Bridges

Halfway Boulevard over Tributary of Conococheag

Good

Washington County, Maryland · 0.6 MI West of I-81 · Structure no. 200000W-4801020

Built
2005
20 years old
Condition
Good
inspected October 2023
Type
Culvert
Concrete
Length
66 ft
Daily traffic
4,256
2023 count
Owner
County
County Highway Agency

About this bridge

Halfway Boulevard over Tributary of Conococheag is a concrete culvert carrying Halfway Boulevard over Tributary of Conococheag in Washington County, Maryland. It was built in 2005, so it is 20 years old, younger 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 4,256 vehicles a day, roughly 30% of them trucks, projected to reach 5,790 by 2043. The structure is 66 ft (20.2 m) long and 108 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

CarriesHalfway Boulevard
CrossesTributary of Conococheag
Location0.6 MI West of I-81
RouteCounty Highway 666
Coordinates39.63469, -77.78507
Functional classRural Minor Collector

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 protection8 Very GoodNo problems noted.
Culvert7 GoodSome minor problems.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating82 US tons
Inventory rating54.5 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans0
Design loadHS 25 or greater
Structure length66 ft (20.2 m)
Longest span32 ft (9.8 m)
Deck width108 ft (33 m)
Roadway width87 ft (26.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,256 (2023)
Projected traffic5,790 by 2043
Trucks30%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed98.8 mi (159 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 Halfway Boulevard over Tributary of Conococheag built?

It was built in 2005, making it 20 years old in 2025.

What condition is Halfway Boulevard over Tributary of Conococheag 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 October 2023.

How much traffic does Halfway Boulevard over Tributary of Conococheag carry?

About 4,256 vehicles per day (2023 count), of which roughly 30% are trucks.

How long is Halfway Boulevard over Tributary of Conococheag?

The structure is 66 ft (20.2 m) long with a longest span of 32 ft (9.8 m) and a deck 108 ft wide.

Who owns Halfway Boulevard over Tributary of Conococheag?

It is owned by the County Highway Agency.