US Bridges

US 40 Alt over Braddock Run

Fair

Allegany County, Maryland · 1.28 MI W of Md 831A · Structure no. 100000010027040

Built
1948
77 years old
Condition
Fair
inspected November 2023
Type
Frame
Concrete
Length
52 ft
1 main span
Daily traffic
13,491
2018 count
Owner
State
State Highway Agency

About this bridge

US 40 Alt over Braddock Run is a concrete frame carrying US 40 Alt over Braddock Run in Allegany County, Maryland. It was built in 1948, so it is 77 years old, older 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 13,491 vehicles a day, roughly 8% of them trucks, projected to reach 13,504 by 2038. The structure is 52 ft (15.8 m) long and 55 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Location

Open in Google Maps
CarriesUS 40 Alt
CrossesBraddock Run
Location1.28 MI W of Md 831A
RouteU.S. Route 40
CountyAllegany County
StateMaryland
Coordinates39.65692, -78.80874
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.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating56.4 US tons
Inventory rating34 US tons

Structure

Structure typeFrame
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadH 20
Structure length52 ft (15.8 m)
Longest span45 ft (13.7 m)
Deck width55 ft (16.7 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic13,491 (2018)
Projected traffic13,504 by 2038
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed6.2 mi (10 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—
NavigationNo navigation control on waterway

Frequently asked questions

When was US 40 Alt over Braddock Run built?

It was built in 1948, making it 77 years old in 2025.

What condition is US 40 Alt over Braddock Run 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 November 2023.

How much traffic does US 40 Alt over Braddock Run carry?

About 13,491 vehicles per day (2018 count), of which roughly 8% are trucks.

How long is US 40 Alt over Braddock Run?

The structure is 52 ft (15.8 m) long with a longest span of 45 ft (13.7 m) and a deck 55 ft wide.

Who owns US 40 Alt over Braddock Run?

It is owned by the State Highway Agency.