US Bridges

Newport Road over Gillis Falls

Good

Carroll County, Maryland · 0.09 MI N of Howard CO · Structure no. 200000CL0342010

Built
2001
24 years old
Condition
Good
inspected July 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
74 ft
1 main span
Daily traffic
86
2021 count
Owner
County
County Highway Agency

About this bridge

Newport Road over Gillis Falls is a prestressed concrete box beam or girders - multiple carrying Newport Road over Gillis Falls in Carroll County, Maryland. It was built in 2001, so it is 24 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 86 vehicles a day, roughly 8% of them trucks, projected to reach 141 by 2041. The structure is 74 ft (22.7 m) long and 18 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesNewport Road
CrossesGillis Falls
Location0.09 MI N of Howard CO
RouteCounty Highway 599
CountyCarroll County
StateMaryland
Coordinates39.36356, -77.06605
Functional classRural Local

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.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 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 geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating80 US tons
Inventory rating48 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 25 or greater
Structure length74 ft (22.7 m)
Longest span70 ft (21.3 m)
Deck width18 ft (5.6 m)
Roadway width16 ft (4.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic86 (2021)
Projected traffic141 by 2041
Trucks8%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Newport Road over Gillis Falls built?

It was built in 2001, making it 24 years old in 2025.

What condition is Newport Road over Gillis Falls 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 July 2023.

How much traffic does Newport Road over Gillis Falls carry?

About 86 vehicles per day (2021 count), of which roughly 8% are trucks.

How long is Newport Road over Gillis Falls?

The structure is 74 ft (22.7 m) long with a longest span of 70 ft (21.3 m) and a deck 18 ft wide.

Who owns Newport Road over Gillis Falls?

It is owned by the County Highway Agency.