US Bridges

Md 638 over Western Md Scenic RR

GoodPosted for load

Allegany County, Maryland · 0.02 M N of Songbird Lane · Structure no. 100000010174010

Built
1995
30 years old
Condition
Good
inspected July 2023
Type
Truss - Thru
Steel
Length
110 ft
1 main span
Daily traffic
1,621
2009 count
Owner
State
State Highway Agency

About this bridge

Md 638 over Western Md Scenic RR is a steel truss - thru carrying Md 638 over Western Md Scenic RR in Allegany County, Maryland. It was built in 1995, so it is 30 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. Its operating status is: posted for load restriction.

It carries about 1,621 vehicles a day, projected to reach 1,800 by 2026. The structure is 110 ft (33.5 m) long and 22 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesMd 638
CrossesWestern Md Scenic RR
Location0.02 M N of Songbird Lane
RouteState Highway 638
Coordinates39.67273, -78.89337
Functional classUrban Collector

Condition and inspection

Good

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

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourBridge not over waterway
Structural evaluation8: Equal to present desirable criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating36 US tons
Inventory rating36 US tons

Structure

Structure typeTruss - Thru
MaterialSteel
DeckOpen grating
Main spans1
Design loadHS 20
Structure length110 ft (33.5 m)
Longest span110 ft (33.5 m)
Deck width22 ft (6.7 m)
Roadway width13 ft (4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,621 (2009)
Projected traffic1,800 by 2026
Trucks—
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesRailroad
Detour if closed5 mi (8 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 638 over Western Md Scenic RR built?

It was built in 1995, making it 30 years old in 2025.

What condition is Md 638 over Western Md Scenic RR 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 July 2023.

How much traffic does Md 638 over Western Md Scenic RR carry?

About 1,621 vehicles per day (2009 count).

How long is Md 638 over Western Md Scenic RR?

The structure is 110 ft (33.5 m) long with a longest span of 110 ft (33.5 m) and a deck 22 ft wide.

Who owns Md 638 over Western Md Scenic RR?

It is owned by the State Highway Agency.