US Bridges

Catoctin Hollow RD over Little Hunting Creek

Good

Frederick County, Maryland · 1.12 MI W of US RTE 15 · Structure no. 200000F-1503010

Built
1980
45 years old
Condition
Good
inspected June 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
30 ft
1 main span
Daily traffic
201
2024 count
Owner
County
County Highway Agency

About this bridge

Catoctin Hollow RD over Little Hunting Creek is a steel stringer/multi-beam or girder carrying Catoctin Hollow RD over Little Hunting Creek in Frederick County, Maryland. It was built in 1980, so it is 45 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 201 vehicles a day, roughly 5% of them trucks, projected to reach 252 by 2044. The structure is 30 ft (9.1 m) long and 19 ft wide. If it were closed, the detour would be 13 mi (21 km).

CarriesCatoctin Hollow RD
CrossesLittle Hunting Creek
Location1.12 MI W of US RTE 15
RouteCounty Highway 90
Coordinates39.58108, -77.44765
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 protection7 GoodSome minor problems.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating53.5 US tons
Inventory rating32 US tons

Structure

MaterialSteel
DeckWood or timber
Main spans1
Design loadHS 20
Structure length30 ft (9.1 m)
Longest span26 ft (7.9 m)
Deck width19 ft (5.9 m)
Roadway width19 ft (5.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic201 (2024)
Projected traffic252 by 2044
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed13 mi (21 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 Catoctin Hollow RD over Little Hunting Creek built?

It was built in 1980, making it 45 years old in 2025.

What condition is Catoctin Hollow RD over Little Hunting 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 June 2024.

How much traffic does Catoctin Hollow RD over Little Hunting Creek carry?

About 201 vehicles per day (2024 count), of which roughly 5% are trucks.

How long is Catoctin Hollow RD over Little Hunting Creek?

The structure is 30 ft (9.1 m) long with a longest span of 26 ft (7.9 m) and a deck 19 ft wide.

Who owns Catoctin Hollow RD over Little Hunting Creek?

It is owned by the County Highway Agency.