US Bridges

Md 550 over Israel Creek

Good

Frederick County, Maryland · 0.24 Mile South of Md 194 · Structure no. 100000100094010

Built
2015
10 years old
Condition
Good
inspected September 2023
Type
Slab
Prestressed Concrete
Length
58 ft
1 main span
Daily traffic
3,450
2011 count
Owner
State
State Highway Agency

About this bridge

Md 550 over Israel Creek is a prestressed concrete slab carrying Md 550 over Israel Creek in Frederick County, Maryland. It was built in 2015, so it is 10 years old, younger than the Maryland average of 52.6 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 3,450 vehicles a day, roughly 20% of them trucks, projected to reach 6,250 by 2031. The structure is 58 ft (17.7 m) long and 34 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesMd 550
CrossesIsrael Creek
Location0.24 Mile South of Md 194
RouteState Highway 550
Coordinates39.53049, -77.30762
Functional classRural Major Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating107.1 US tons
Inventory rating91.4 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length58 ft (17.7 m)
Longest span55 ft (16.8 m)
Deck width34 ft (10.4 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,450 (2011)
Projected traffic6,250 by 2031
Trucks20%
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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Md 550 over Israel Creek built?

It was built in 2015, making it 10 years old in 2025.

What condition is Md 550 over Israel Creek in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in September 2023.

How much traffic does Md 550 over Israel Creek carry?

About 3,450 vehicles per day (2011 count), of which roughly 20% are trucks.

How long is Md 550 over Israel Creek?

The structure is 58 ft (17.7 m) long with a longest span of 55 ft (16.8 m) and a deck 34 ft wide.

Who owns Md 550 over Israel Creek?

It is owned by the State Highway Agency.