US Bridges

Gillis Road over Gillis Falls

Good

Carroll County, Maryland · 2.51 Miles E of Md 27 · Structure no. 200000CL0297020

Built
1975
50 years old
Condition
Good
inspected July 2023
Type
Culvert
Concrete
Length
61 ft
Daily traffic
828
2021 count
Owner
County
County Highway Agency

About this bridge

Gillis Road over Gillis Falls is a concrete culvert carrying Gillis Road over Gillis Falls in Carroll County, Maryland. It was built in 1975, so it is 50 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 828 vehicles a day, roughly 5% of them trucks, projected to reach 1,360 by 2041. The structure is 61 ft (18.6 m) long and 34 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesGillis Road
CrossesGillis Falls
Location2.51 Miles E of Md 27
RouteCounty Highway 570
CountyCarroll County
StateMaryland
Coordinates39.41226, -77.07385
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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert7 GoodSome minor problems.
Last inspectionJuly 2023
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 adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating49.5 US tons
Inventory rating29.5 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans0
Design loadUnknown
Structure length61 ft (18.6 m)
Longest span14 ft (4.3 m)
Deck width34 ft (10.5 m)
Roadway width20 ft (6.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic828 (2021)
Projected traffic1,360 by 2041
Trucks5%
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

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedOther structural work, including hydraulic replacements
Estimated improvement cost$120,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Gillis Road over Gillis Falls built?

It was built in 1975, making it 50 years old in 2025.

What condition is Gillis 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 Gillis Road over Gillis Falls carry?

About 828 vehicles per day (2021 count), of which roughly 5% are trucks.

How long is Gillis Road over Gillis Falls?

The structure is 61 ft (18.6 m) long with a longest span of 14 ft (4.3 m) and a deck 34 ft wide.

Who owns Gillis Road over Gillis Falls?

It is owned by the County Highway Agency.