US Bridges

Md 632 over Norfolk & Western RR

Fair

Washington County, Maryland · 0.75 Mile North of Is 70 · Structure no. 100000210145010

Built
1976
49 years old, rebuilt 1978
Condition
Fair
inspected January 2025
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
260 ft
3 main spans
Daily traffic
12,081
2009 count
Owner
State
State Highway Agency

About this bridge

Md 632 over Norfolk & Western RR is a steel continuous stringer/multi-beam or girder carrying Md 632 over Norfolk & Western RR in Washington County, Maryland. It was built in 1976 and reconstructed in 1978, so it is 49 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 12,081 vehicles a day, roughly 8% of them trucks, projected to reach 18,122 by 2029. The structure is 260 ft (79.2 m) long and 47 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

Location

Open in Google Maps
CarriesMd 632
CrossesNorfolk & Western RR
Location0.75 Mile North of Is 70
RouteState Highway 632
CountyWashington County
StateMaryland
Coordinates39.61063, -77.74282
Functional classUrban Minor Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating82.5 US tons
Inventory rating49.5 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length260 ft (79.2 m)
Longest span102 ft (31.1 m)
Deck width47 ft (14.4 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic12,081 (2009)
Projected traffic18,122 by 2029
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesRailroad
Detour if closed9.9 mi (16 km)
TollOn a free road
National Highway SystemNo

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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Md 632 over Norfolk & Western RR built?

It was built in 1976, making it 49 years old in 2025. It was reconstructed in 1978.

What condition is Md 632 over Norfolk & Western RR 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 January 2025.

How much traffic does Md 632 over Norfolk & Western RR carry?

About 12,081 vehicles per day (2009 count), of which roughly 8% are trucks.

How long is Md 632 over Norfolk & Western RR?

The structure is 260 ft (79.2 m) long with a longest span of 102 ft (31.1 m) and a deck 47 ft wide.

Who owns Md 632 over Norfolk & Western RR?

It is owned by the State Highway Agency.