US Bridges

Md 464 (point of R over Little Catoctin Creek

Good

Frederick County, Maryland · 2.16 Miles East of Md 17 · Structure no. 100000100090010

Built
2020
5 years old
Condition
Good
inspected August 2024
Type
Stringer/Multi-beam or Girder
Concrete
Length
108 ft
1 main span
Daily traffic
4,400
2017 count
Owner
State
State Highway Agency

About this bridge

Md 464 (point of R over Little Catoctin Creek is a concrete stringer/multi-beam or girder carrying Md 464 (point of R over Little Catoctin Creek in Frederick County, Maryland. It was built in 2020, so it is 5 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 4,400 vehicles a day, roughly 7% of them trucks, projected to reach 7,050 by 2037. The structure is 108 ft (32.8 m) long and 35 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

Location

No coordinates are recorded for this structure.

CarriesMd 464 (point of R
CrossesLittle Catoctin Creek
Location2.16 Miles East of Md 17
RouteState Highway 464
Functional classRural Major Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure9 ExcellentNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation8: Equal to present desirable 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 rating91.1 US tons
Inventory rating46.4 US tons

Structure

MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length108 ft (32.8 m)
Longest span100 ft (30.5 m)
Deck width35 ft (10.7 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,400 (2017)
Projected traffic7,050 by 2037
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed9.9 mi (16 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$76,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Md 464 (point of R over Little Catoctin Creek built?

It was built in 2020, making it 5 years old in 2025.

What condition is Md 464 (point of R 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 August 2024.

How much traffic does Md 464 (point of R over Little Catoctin Creek carry?

About 4,400 vehicles per day (2017 count), of which roughly 7% are trucks.

How long is Md 464 (point of R over Little Catoctin Creek?

The structure is 108 ft (32.8 m) long with a longest span of 100 ft (30.5 m) and a deck 35 ft wide.

Who owns Md 464 (point of R over Little Catoctin Creek?

It is owned by the State Highway Agency.