US Bridges

Tollgate Ridge RD over Tonoloway Creek

Good

Washington County, Maryland · 0.6 MI E of Md 144 · Structure no. 200000W-0381010

Built
1916
109 years old, rebuilt 2005
Condition
Good
inspected November 2023
Type
Arch - Deck
Concrete
Length
58 ft
1 main span
Daily traffic
828
2023 count
Owner
County
County Highway Agency

About this bridge

Tollgate Ridge RD over Tonoloway Creek is a concrete arch - deck carrying Tollgate Ridge RD over Tonoloway Creek in Washington County, Maryland. It was built in 1916 and reconstructed in 2005, so it is 109 years old, older 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 1,230 by 2043. The structure is 58 ft (17.8 m) long and 27 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesTollgate Ridge RD
CrossesTonoloway Creek
Location0.6 MI E of Md 144
RouteCounty Highway 38
Coordinates39.69844, -78.15587
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
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
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 rating110.1 US tons
Inventory rating110.1 US tons

Structure

Structure typeArch - Deck
MaterialConcrete
DeckNot applicable
Main spans1
Design loadUnknown
Structure length58 ft (17.8 m)
Longest span55 ft (16.8 m)
Deck width27 ft (8.2 m)
Roadway width25 ft (7.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic828 (2023)
Projected traffic1,230 by 2043
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 statusEligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Tollgate Ridge RD over Tonoloway Creek built?

It was built in 1916, making it 109 years old in 2025. It was reconstructed in 2005.

What condition is Tollgate Ridge RD over Tonoloway 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 November 2023.

How much traffic does Tollgate Ridge RD over Tonoloway Creek carry?

About 828 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is Tollgate Ridge RD over Tonoloway Creek?

The structure is 58 ft (17.8 m) long with a longest span of 55 ft (16.8 m) and a deck 27 ft wide.

Who owns Tollgate Ridge RD over Tonoloway Creek?

It is owned by the County Highway Agency.