US Bridges

Old Annapolis Road over Linganore Creek

Good

Frederick County, Maryland · 0.9 MI W of Md 75 · Structure no. 200000F-1302010

Built
1989
36 years old
Condition
Good
inspected June 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
399 ft
3 main spans
Daily traffic
2,931
2022 count
Owner
County
County Highway Agency

About this bridge

Old Annapolis Road over Linganore Creek is a steel continuous stringer/multi-beam or girder carrying Old Annapolis Road over Linganore Creek in Frederick County, Maryland. It was built in 1989, so it is 36 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 2,931 vehicles a day, roughly 6% of them trucks, projected to reach 4,540 by 2044. The structure is 399 ft (121.6 m) long and 43 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesOld Annapolis Road
CrossesLinganore Creek
Location0.9 MI W of Md 75
RouteCounty Highway 1459
Coordinates39.44291, -77.27044
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 geometry6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating76.9 US tons
Inventory rating46 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length399 ft (121.6 m)
Longest span145 ft (44.2 m)
Deck width43 ft (13.2 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,931 (2022)
Projected traffic4,540 by 2044
Trucks6%
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 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 Old Annapolis Road over Linganore Creek built?

It was built in 1989, making it 36 years old in 2025.

What condition is Old Annapolis Road over Linganore 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 Old Annapolis Road over Linganore Creek carry?

About 2,931 vehicles per day (2022 count), of which roughly 6% are trucks.

How long is Old Annapolis Road over Linganore Creek?

The structure is 399 ft (121.6 m) long with a longest span of 145 ft (44.2 m) and a deck 43 ft wide.

Who owns Old Annapolis Road over Linganore Creek?

It is owned by the County Highway Agency.