US Bridges

Polling House Road over Rock Branch

FairPosted for load

Anne Arundel County, Maryland · 0.7 MI N of Md RTE 422 · Structure no. 200000AA1007010

Built
1965
60 years old
Condition
Fair
inspected November 2024
Type
Channel Beam
Prestressed Concrete
Length
42 ft
1 main span
Daily traffic
375
2023 count
Owner
County
County Highway Agency

About this bridge

Polling House Road over Rock Branch is a prestressed concrete channel beam carrying Polling House Road over Rock Branch in Anne Arundel County, Maryland. It was built in 1965, so it is 60 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. Its operating status is: posted for load restriction.

It carries about 375 vehicles a day, roughly 5% of them trucks, projected to reach 384 by 2027. The structure is 42 ft (12.8 m) long and 24 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesPolling House Road
CrossesRock Branch
Location0.7 MI N of Md RTE 422
RouteCounty Highway 3552
CountyAnne Arundel County
StateMaryland
Coordinates38.85285, -76.66713
Functional classRural Minor 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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionNovember 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating24.5 US tons
Inventory rating14.6 US tons

Structure

Structure typeChannel Beam
MaterialPrestressed Concrete
DeckNot applicable
Main spans1
Design loadH 15
Structure length42 ft (12.8 m)
Longest span40 ft (12.2 m)
Deck width24 ft (7.3 m)
Roadway width23 ft (6.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic375 (2023)
Projected traffic384 by 2027
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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$7,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Polling House Road over Rock Branch built?

It was built in 1965, making it 60 years old in 2025.

What condition is Polling House Road over Rock Branch 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 November 2024.

How much traffic does Polling House Road over Rock Branch carry?

About 375 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is Polling House Road over Rock Branch?

The structure is 42 ft (12.8 m) long with a longest span of 40 ft (12.2 m) and a deck 24 ft wide.

Who owns Polling House Road over Rock Branch?

It is owned by the County Highway Agency.