US Bridges

Mill Island Pkwy over Tuscarora Creek

Fair

Frederick County, Maryland · 0.9 Mi. North of Md 26 · Structure no. 200000F-F-34010

Built
1996
29 years old
Condition
Fair
inspected May 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
186 ft
2 main spans
Daily traffic
4,274
2022 count
Owner
City
City or Municipal Highway Agency

About this bridge

Mill Island Pkwy over Tuscarora Creek is a steel continuous stringer/multi-beam or girder carrying Mill Island Pkwy over Tuscarora Creek in Frederick County, Maryland. It was built in 1996, so it is 29 years old, younger 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 4,274 vehicles a day, roughly 4% of them trucks, projected to reach 6,350 by 2042. The structure is 186 ft (56.7 m) long and 35 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

Location

Open in Google Maps
CarriesMill Island Pkwy
CrossesTuscarora Creek
Location0.9 Mi. North of Md 26
RouteCity Street 19
CountyFrederick County
StateMaryland
Coordinates39.45813, -77.38793
Functional classUrban 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.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating82 US tons
Inventory rating49.5 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20 + Mod
Structure length186 ft (56.7 m)
Longest span102 ft (31.1 m)
Deck width35 ft (10.6 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,274 (2022)
Projected traffic6,350 by 2042
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed98.8 mi (159 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 Mill Island Pkwy over Tuscarora Creek built?

It was built in 1996, making it 29 years old in 2025.

What condition is Mill Island Pkwy over Tuscarora 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 May 2024.

How much traffic does Mill Island Pkwy over Tuscarora Creek carry?

About 4,274 vehicles per day (2022 count), of which roughly 4% are trucks.

How long is Mill Island Pkwy over Tuscarora Creek?

The structure is 186 ft (56.7 m) long with a longest span of 102 ft (31.1 m) and a deck 35 ft wide.

Who owns Mill Island Pkwy over Tuscarora Creek?

It is owned by the City or Municipal Highway Agency.