US Bridges

Grimes Road over Toms Creek

FairPosted for load

Frederick County, Maryland · 0.5 Miles S of Sixes Road · Structure no. 200000F-0510010

Built
1914
111 years old, rebuilt 1994
Condition
Fair
inspected October 2024
Type
Truss - Thru
Steel
Length
112 ft
1 main span
Daily traffic
170
2023 count
Owner
County
County Highway Agency

About this bridge

Grimes Road over Toms Creek is a steel truss - thru carrying Grimes Road over Toms Creek in Frederick County, Maryland. It was built in 1914 and reconstructed in 1994, so it is 111 years old, older 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. Its operating status is: posted for load restriction.

It carries about 170 vehicles a day, roughly 5% of them trucks, projected to reach 210 by 2043. The structure is 112 ft (34.1 m) long and 13 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesGrimes Road
CrossesToms Creek
Location0.5 Miles S of Sixes Road
RouteCounty Highway 59
Coordinates39.64831, -77.28888
Functional classRural Minor Collector

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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating34.5 US tons
Inventory rating20.5 US tons

Structure

Structure typeTruss - Thru
MaterialSteel
DeckOpen grating
Main spans1
Design loadH 15
Structure length112 ft (34.1 m)
Longest span112 ft (34.1 m)
Deck width13 ft (4.1 m)
Roadway width12 ft (3.8 m)
Vertical clearance over deck12 ft (3.7 m)

Traffic and service

Average daily traffic170 (2023)
Projected traffic210 by 2043
Trucks5%
Lanes on structure1
Traffic directionOne-lane bridge for two-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 statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Grimes Road over Toms Creek built?

It was built in 1914, making it 111 years old in 2025. It was reconstructed in 1994.

What condition is Grimes Road over Toms 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 October 2024.

How much traffic does Grimes Road over Toms Creek carry?

About 170 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is Grimes Road over Toms Creek?

The structure is 112 ft (34.1 m) long with a longest span of 112 ft (34.1 m) and a deck 13 ft wide.

Who owns Grimes Road over Toms Creek?

It is owned by the County Highway Agency.