US Bridges

Shookstown Road over Carroll Creek

PoorPosted for load

Frederick County, Maryland · 0.4 MI N. of US 15 Exit 7 · Structure no. 200000F-F-12010

Built
1911
114 years old, rebuilt 1988
Condition
Poor
inspected May 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
49 ft
2 main spans
Daily traffic
6,750
2019 count
Owner
City
City or Municipal Highway Agency

About this bridge

Shookstown Road over Carroll Creek is a steel stringer/multi-beam or girder carrying Shookstown Road over Carroll Creek in Frederick County, Maryland. It was built in 1911 and reconstructed in 1988, so it is 114 years old, older than the Maryland average of 52.6 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 3 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.

It carries about 6,750 vehicles a day, roughly 7% of them trucks, projected to reach 10,030 by 2039. The structure is 49 ft (14.9 m) long and 17 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

No coordinates are recorded for this structure.

CarriesShookstown Road
CrossesCarroll Creek
Location0.4 MI N. of US 15 Exit 7
RouteCity Street 1390
Functional classUrban Collector

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating66.5 US tons
Inventory rating39.5 US tons

Structure

MaterialSteel
DeckWood or timber
Main spans2
Design loadHS 20
Structure length49 ft (14.9 m)
Longest span23 ft (7 m)
Deck width17 ft (5.1 m)
Roadway width12 ft (3.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,750 (2019)
Projected traffic10,030 by 2039
Trucks7%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 Shookstown Road over Carroll Creek built?

It was built in 1911, making it 114 years old in 2025. It was reconstructed in 1988.

What condition is Shookstown Road over Carroll Creek in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in May 2024.

How much traffic does Shookstown Road over Carroll Creek carry?

About 6,750 vehicles per day (2019 count), of which roughly 7% are trucks.

How long is Shookstown Road over Carroll Creek?

The structure is 49 ft (14.9 m) long with a longest span of 23 ft (7 m) and a deck 17 ft wide.

Who owns Shookstown Road over Carroll Creek?

It is owned by the City or Municipal Highway Agency.