US Bridges

Md 77 over Hunting Creek

Fair

Frederick County, Maryland · 0.29 Mile West of US 15 · Structure no. 100000100052010

Built
1970
55 years old
Condition
Fair
inspected July 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
71 ft
1 main span
Daily traffic
4,351
2009 count
Owner
State
State Highway Agency

About this bridge

Md 77 over Hunting Creek is a steel stringer/multi-beam or girder carrying Md 77 over Hunting Creek in Frederick County, Maryland. It was built in 1970, so it is 55 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 4,351 vehicles a day, roughly 8% of them trucks, projected to reach 6,020 by 2026. The structure is 71 ft (21.6 m) long and 30 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesMd 77
CrossesHunting Creek
Location0.29 Mile West of US 15
RouteState Highway 77
CountyFrederick County
StateMaryland
Coordinates39.62304, -77.42198
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.
Superstructure7 GoodSome minor problems.
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 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 adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating96.5 US tons
Inventory rating58 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length71 ft (21.6 m)
Longest span66 ft (20.1 m)
Deck width30 ft (9 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,351 (2009)
Projected traffic6,020 by 2026
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$139,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Md 77 over Hunting Creek built?

It was built in 1970, making it 55 years old in 2025.

What condition is Md 77 over 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 July 2024.

How much traffic does Md 77 over Hunting Creek carry?

About 4,351 vehicles per day (2009 count), of which roughly 8% are trucks.

How long is Md 77 over Hunting Creek?

The structure is 71 ft (21.6 m) long with a longest span of 66 ft (20.1 m) and a deck 30 ft wide.

Who owns Md 77 over Hunting Creek?

It is owned by the State Highway Agency.