US Bridges

Alcona Street over Bald Hill Branch

PoorPosted for load

Prince George's County, Maryland · 0.04 MI W of Ellerbie ST · Structure no. 200000P-0295010

Built
1967
58 years old
Condition
Poor
inspected March 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
66 ft
2 main spans
Daily traffic
836
2022 count
Owner
County
County Highway Agency

About this bridge

Alcona Street over Bald Hill Branch is a prestressed concrete stringer/multi-beam or girder carrying Alcona Street over Bald Hill Branch in Prince George's County, Maryland. It was built in 1967, so it is 58 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 836 vehicles a day, roughly 10% of them trucks, projected to reach 1,245 by 2042. The structure is 66 ft (20.1 m) long and 36 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesAlcona Street
CrossesBald Hill Branch
Location0.04 MI W of Ellerbie ST
RouteCounty Highway 1897
Coordinates38.95766, -76.84809
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
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating79.5 US tons
Inventory rating29.5 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans2
Design loadH 20
Structure length66 ft (20.1 m)
Longest span33 ft (10.1 m)
Deck width36 ft (11 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic836 (2022)
Projected traffic1,245 by 2042
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.9 mi (3 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 Alcona Street over Bald Hill Branch built?

It was built in 1967, making it 58 years old in 2025.

What condition is Alcona Street over Bald Hill Branch 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 2024.

How much traffic does Alcona Street over Bald Hill Branch carry?

About 836 vehicles per day (2022 count), of which roughly 10% are trucks.

How long is Alcona Street over Bald Hill Branch?

The structure is 66 ft (20.1 m) long with a longest span of 33 ft (10.1 m) and a deck 36 ft wide.

Who owns Alcona Street over Bald Hill Branch?

It is owned by the County Highway Agency.