US Bridges

Md 144 over Flintstone Creek

Fair

Allegany County, Maryland · 0.06 MI E of Md 940AO · Structure no. 100000010033010

Built
1900
125 years old, rebuilt 1925
Condition
Fair
inspected November 2023
Type
Arch - Deck
Masonry
Length
48 ft
1 main span
Daily traffic
1,121
2009 count
Owner
State
State Highway Agency

About this bridge

Md 144 over Flintstone Creek is a masonry arch - deck carrying Md 144 over Flintstone Creek in Allegany County, Maryland. It was built in 1900 and reconstructed in 1925, so it is 125 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 1,121 vehicles a day, roughly 8% of them trucks, projected to reach 1,339 by 2026. The structure is 48 ft (14.6 m) long and 27 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesMd 144
CrossesFlintstone Creek
Location0.06 MI E of Md 940AO
RouteState Highway 144
CountyAllegany County
StateMaryland
Coordinates39.70304, -78.56702
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
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 geometry4: Meets minimum tolerable limits to be 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 rating110.1 US tons

Structure

Structure typeArch - Deck
MaterialMasonry
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length48 ft (14.6 m)
Longest span46 ft (14 m)
Deck width27 ft (8.3 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,121 (2009)
Projected traffic1,339 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Md 144 over Flintstone Creek built?

It was built in 1900, making it 125 years old in 2025. It was reconstructed in 1925.

What condition is Md 144 over Flintstone 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 November 2023.

How much traffic does Md 144 over Flintstone Creek carry?

About 1,121 vehicles per day (2009 count), of which roughly 8% are trucks.

How long is Md 144 over Flintstone Creek?

The structure is 48 ft (14.6 m) long with a longest span of 46 ft (14 m) and a deck 27 ft wide.

Who owns Md 144 over Flintstone Creek?

It is owned by the State Highway Agency.