US Bridges

US 40 Scn over Sideling Hill Creek

FairPosted for load

Allegany County, Maryland · Washington County Line · Structure no. 100000010064010

Built
1925
100 years old
Condition
Fair
inspected February 2025
Type
Arch - Deck
Concrete
Length
85 ft
1 main span
Daily traffic
281
2009 count
Owner
State
State Highway Agency

About this bridge

US 40 Scn over Sideling Hill Creek is a concrete arch - deck carrying US 40 Scn over Sideling Hill Creek in Allegany County, Maryland. It was built in 1925, so it is 100 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 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for load restriction.

It carries about 281 vehicles a day, roughly 8% of them trucks, projected to reach 312 by 2026. The structure is 85 ft (25.9 m) long and 27 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

No coordinates are recorded for this structure.

CarriesUS 40 Scn
CrossesSideling Hill Creek
LocationWashington County Line
RouteU.S. Route 40
Functional classRural Local

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionFebruary 2025
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating110.1 US tons
Inventory rating97.4 US tons

Structure

Structure typeArch - Deck
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length85 ft (25.9 m)
Longest span85 ft (25.9 m)
Deck width27 ft (8.3 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic281 (2009)
Projected traffic312 by 2026
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusPossibly eligible for the National Register; requires further investigation
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$316,000
NavigationNo navigation control on waterway

Frequently asked questions

When was US 40 Scn over Sideling Hill Creek built?

It was built in 1925, making it 100 years old in 2025.

What condition is US 40 Scn over Sideling Hill Creek 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 February 2025.

How much traffic does US 40 Scn over Sideling Hill Creek carry?

About 281 vehicles per day (2009 count), of which roughly 8% are trucks.

How long is US 40 Scn over Sideling Hill Creek?

The structure is 85 ft (25.9 m) long with a longest span of 85 ft (25.9 m) and a deck 27 ft wide.

Who owns US 40 Scn over Sideling Hill Creek?

It is owned by the State Highway Agency.