US Bridges

Washingtonian Boul over Sam Eig Highway

Good

Montgomery County, Maryland · 0.5 Miles West of I-270 · Structure no. 200000M-0257010

Built
1998
27 years old
Condition
Good
inspected August 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
180 ft
2 main spans
Daily traffic
9,998
2021 count
Owner
County
County Highway Agency

About this bridge

Washingtonian Boul over Sam Eig Highway is a steel continuous stringer/multi-beam or girder carrying Washingtonian Boul over Sam Eig Highway in Montgomery County, Maryland. It was built in 1998, so it is 27 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 9,998 vehicles a day, roughly 5% of them trucks, projected to reach 12,997 by 2041. The structure is 180 ft (54.9 m) long and 69 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesWashingtonian Boul
CrossesSam Eig Highway
Location0.5 Miles West of I-270
RouteCounty Highway 7401
Coordinates39.11767, -77.20594
Functional classUrban Local

Condition and inspection

Good

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating69.4 US tons
Inventory rating41.4 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 25 or greater
Structure length180 ft (54.9 m)
Longest span87 ft (26.5 m)
Deck width69 ft (21.1 m)
Roadway width52 ft (15.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic9,998 (2021)
Projected traffic12,997 by 2041
Trucks5%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed1.9 mi (3 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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Washingtonian Boul over Sam Eig Highway built?

It was built in 1998, making it 27 years old in 2025.

What condition is Washingtonian Boul over Sam Eig Highway 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 August 2023.

How much traffic does Washingtonian Boul over Sam Eig Highway carry?

About 9,998 vehicles per day (2021 count), of which roughly 5% are trucks.

How long is Washingtonian Boul over Sam Eig Highway?

The structure is 180 ft (54.9 m) long with a longest span of 87 ft (26.5 m) and a deck 69 ft wide.

Who owns Washingtonian Boul over Sam Eig Highway?

It is owned by the County Highway Agency.