US Bridges

Haviland Mill Road over Hawlings River

Fair

Montgomery County, Maryland · 0.8 Miles East of Md 650 · Structure no. 200000M-0098010

Built
1926
99 years old
Condition
Fair
inspected July 2024
Type
Arch - Deck
Concrete
Length
40 ft
1 main span
Daily traffic
1,000
2022 count
Owner
County
County Highway Agency

About this bridge

Haviland Mill Road over Hawlings River is a concrete arch - deck carrying Haviland Mill Road over Hawlings River in Montgomery County, Maryland. It was built in 1926, so it is 99 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.

It carries about 1,000 vehicles a day, roughly 4% of them trucks, projected to reach 1,390 by 2044. The structure is 40 ft (12.3 m) long and 18 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

Location

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CarriesHaviland Mill Road
CrossesHawlings River
Location0.8 Miles East of Md 650
RouteCounty Highway 67
CountyMontgomery County
StateMaryland
Coordinates39.17588, -77.00769
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
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 protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating36 US tons
Inventory rating36 US tons

Structure

Structure typeArch - Deck
MaterialConcrete
DeckNot applicable
Main spans1
Design loadUnknown
Structure length40 ft (12.3 m)
Longest span40 ft (12.2 m)
Deck width18 ft (5.5 m)
Roadway width16 ft (5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,000 (2022)
Projected traffic1,390 by 2044
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed9.9 mi (16 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$44,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Haviland Mill Road over Hawlings River built?

It was built in 1926, making it 99 years old in 2025.

What condition is Haviland Mill Road over Hawlings River 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 July 2024.

How much traffic does Haviland Mill Road over Hawlings River carry?

About 1,000 vehicles per day (2022 count), of which roughly 4% are trucks.

How long is Haviland Mill Road over Hawlings River?

The structure is 40 ft (12.3 m) long with a longest span of 40 ft (12.2 m) and a deck 18 ft wide.

Who owns Haviland Mill Road over Hawlings River?

It is owned by the County Highway Agency.