US Bridges

Md 77 over Br of Hunting Creek

Fair

Frederick County, Maryland · 2.72 MI E of Wash CO · Structure no. 100000100049010

Built
1971
54 years old
Condition
Fair
inspected April 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
30 ft
1 main span
Daily traffic
3,271
2009 count
Owner
State
State Highway Agency

About this bridge

Md 77 over Br of Hunting Creek is a steel stringer/multi-beam or girder carrying Md 77 over Br of Hunting Creek in Frederick County, Maryland. It was built in 1971, so it is 54 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 3,271 vehicles a day, roughly 8% of them trucks, projected to reach 3,852 by 2026. The structure is 30 ft (9.1 m) long and 31 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesMd 77
CrossesBr of Hunting Creek
Location2.72 MI E of Wash CO
RouteState Highway 77
Coordinates39.62613, -77.44074
Functional classRural Major Collector

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.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2023
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 geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating65.5 US tons
Inventory rating39 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length30 ft (9.1 m)
Longest span27 ft (8.2 m)
Deck width31 ft (9.6 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,271 (2009)
Projected traffic3,852 by 2026
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
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—
NavigationNo navigation control on waterway

Frequently asked questions

When was Md 77 over Br of Hunting Creek built?

It was built in 1971, making it 54 years old in 2025.

What condition is Md 77 over Br of Hunting 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 April 2023.

How much traffic does Md 77 over Br of Hunting Creek carry?

About 3,271 vehicles per day (2009 count), of which roughly 8% are trucks.

How long is Md 77 over Br of Hunting Creek?

The structure is 30 ft (9.1 m) long with a longest span of 27 ft (8.2 m) and a deck 31 ft wide.

Who owns Md 77 over Br of Hunting Creek?

It is owned by the State Highway Agency.