US Bridges

Henryton Road over Trib to S Br Patapsco R

PoorPosted for load

Howard County, Maryland · 2.09 MI N of Md RTE 99 · Structure no. 200000HO0053010

Built
1925
100 years old
Condition
Poor
inspected April 2024
Type
Tee Beam
Concrete
Length
48 ft
1 main span
Daily traffic
1,427
2024 count
Owner
County
County Highway Agency

About this bridge

Henryton Road over Trib to S Br Patapsco R is a concrete tee beam carrying Henryton Road over Trib to S Br Patapsco R in Howard County, Maryland. It was built in 1925, so it is 100 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. Its operating status is: posted for load restriction.

It carries about 1,427 vehicles a day, roughly 4% of them trucks, projected to reach 1,750 by 2044. The structure is 48 ft (14.5 m) long and 26 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

Location

No coordinates are recorded for this structure.

CarriesHenryton Road
CrossesTrib to S Br Patapsco R
Location2.09 MI N of Md RTE 99
RouteCounty Highway 269
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusPosted for load 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 adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating53 US tons
Inventory rating32 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length48 ft (14.5 m)
Longest span44 ft (13.4 m)
Deck width26 ft (8 m)
Roadway width23 ft (7.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,427 (2024)
Projected traffic1,750 by 2044
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 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 proposedOther structural work, including hydraulic replacements
Estimated improvement cost$20,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Henryton Road over Trib to S Br Patapsco R built?

It was built in 1925, making it 100 years old in 2025.

What condition is Henryton Road over Trib to S Br Patapsco R 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 April 2024.

How much traffic does Henryton Road over Trib to S Br Patapsco R carry?

About 1,427 vehicles per day (2024 count), of which roughly 4% are trucks.

How long is Henryton Road over Trib to S Br Patapsco R?

The structure is 48 ft (14.5 m) long with a longest span of 44 ft (13.4 m) and a deck 26 ft wide.

Who owns Henryton Road over Trib to S Br Patapsco R?

It is owned by the County Highway Agency.