US Bridges

Union Chapel Road over Cattail Creek

Poor

Howard County, Maryland · 0.5 MI E of Daisy RD · Structure no. 200000HO0040010

Built
1955
70 years old, rebuilt 1981
Condition
Poor
inspected March 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
72 ft
1 main span
Daily traffic
1,052
1994 count
Owner
County
County Highway Agency

About this bridge

Union Chapel Road over Cattail Creek is a prestressed concrete box beam or girders - multiple carrying Union Chapel Road over Cattail Creek in Howard County, Maryland. It was built in 1955 and reconstructed in 1981, so it is 70 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 4 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.

It carries about 1,052 vehicles a day, roughly 4% of them trucks, projected to reach 1,100 by 2015. The structure is 72 ft (21.8 m) long and 24 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesUnion Chapel Road
CrossesCattail Creek
Location0.5 MI E of Daisy RD
RouteCounty Highway 20
Coordinates39.29234, -77.05948
Functional classRural Local

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
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating49.5 US tons
Inventory rating29.5 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length72 ft (21.8 m)
Longest span67 ft (20.4 m)
Deck width24 ft (7.4 m)
Roadway width23 ft (6.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,052 (1994)
Projected traffic1,100 by 2015
Trucks4%
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 Union Chapel Road over Cattail Creek built?

It was built in 1955, making it 70 years old in 2025. It was reconstructed in 1981.

What condition is Union Chapel Road over Cattail 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 March 2023.

How much traffic does Union Chapel Road over Cattail Creek carry?

About 1,052 vehicles per day (1994 count), of which roughly 4% are trucks.

How long is Union Chapel Road over Cattail Creek?

The structure is 72 ft (21.8 m) long with a longest span of 67 ft (20.4 m) and a deck 24 ft wide.

Who owns Union Chapel Road over Cattail Creek?

It is owned by the County Highway Agency.