US Bridges

Trappe Road over Tributary to Bear Creek

Fair

Baltimore County, Maryland · 0.8 MI East of Md 157 · Structure no. 200000B-0599020

Built
1970
55 years old
Condition
Fair
inspected January 2023
Type
Culvert
Concrete
Length
24 ft
Daily traffic
18,600
2017 count
Owner
County
County Highway Agency

About this bridge

Trappe Road over Tributary to Bear Creek is a concrete culvert carrying Trappe Road over Tributary to Bear Creek in Baltimore County, Maryland. It was built in 1970, so it is 55 years old, older than the Maryland average of 52.6 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 18,600 vehicles a day, roughly 10% of them trucks, projected to reach 18,800 by 2039. The structure is 24 ft (7.3 m) long and 75 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesTrappe Road
CrossesTributary to Bear Creek
Location0.8 MI East of Md 157
RouteCounty Highway 0
Coordinates39.27304, -76.49385
Functional classUrban Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating39 US tons
Inventory rating23 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans0
Design loadUnknown
Structure length24 ft (7.3 m)
Longest span21 ft (6.4 m)
Deck width75 ft (22.9 m)
Roadway width70 ft (21.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic18,600 (2017)
Projected traffic18,800 by 2039
Trucks10%
Lanes on structure5
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Trappe Road over Tributary to Bear Creek built?

It was built in 1970, making it 55 years old in 2025.

What condition is Trappe Road over Tributary to Bear Creek in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in January 2023.

How much traffic does Trappe Road over Tributary to Bear Creek carry?

About 18,600 vehicles per day (2017 count), of which roughly 10% are trucks.

How long is Trappe Road over Tributary to Bear Creek?

The structure is 24 ft (7.3 m) long with a longest span of 21 ft (6.4 m) and a deck 75 ft wide.

Who owns Trappe Road over Tributary to Bear Creek?

It is owned by the County Highway Agency.