US Bridges

Hollow Road over Little Catoctin Creek

Good

Frederick County, Maryland · At Harmony RD Int · Structure no. 200000F-1608010

Built
1981
44 years old, rebuilt 2001
Condition
Good
inspected May 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
29 ft
1 main span
Daily traffic
126
2024 count
Owner
County
County Highway Agency

About this bridge

Hollow Road over Little Catoctin Creek is a steel stringer/multi-beam or girder carrying Hollow Road over Little Catoctin Creek in Frederick County, Maryland. It was built in 1981 and reconstructed in 2001, so it is 44 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 126 vehicles a day, roughly 5% of them trucks, projected to reach 229 by 2044. The structure is 29 ft (8.8 m) long and 20 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesHollow Road
CrossesLittle Catoctin Creek
LocationAt Harmony RD Int
RouteCounty Highway 139
CountyFrederick County
StateMaryland
Coordinates39.49273, -77.53023
Functional classRural Minor Collector

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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionMay 2024
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 geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating78.5 US tons
Inventory rating47 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckWood or timber
Main spans1
Design loadUnknown
Structure length29 ft (8.8 m)
Longest span27 ft (8.2 m)
Deck width20 ft (6.1 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic126 (2024)
Projected traffic229 by 2044
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 Hollow Road over Little Catoctin Creek built?

It was built in 1981, making it 44 years old in 2025. It was reconstructed in 2001.

What condition is Hollow Road over Little Catoctin 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 May 2024.

How much traffic does Hollow Road over Little Catoctin Creek carry?

About 126 vehicles per day (2024 count), of which roughly 5% are trucks.

How long is Hollow Road over Little Catoctin Creek?

The structure is 29 ft (8.8 m) long with a longest span of 27 ft (8.2 m) and a deck 20 ft wide.

Who owns Hollow Road over Little Catoctin Creek?

It is owned by the County Highway Agency.