US Bridges

Blanco Road over Andover Branch

Fair

Queen Anne's County, Maryland · 0.8 MI E Bolton Woods RD · Structure no. 200000Q-0013010

Built
1994
31 years old
Condition
Fair
inspected May 2024
Type
Slab
Wood or Timber
Length
54 ft
2 main spans
Daily traffic
676
2022 count
Owner
County
County Highway Agency

About this bridge

Blanco Road over Andover Branch is a wood or timber slab carrying Blanco Road over Andover Branch in Queen Anne's County, Maryland. It was built in 1994, so it is 31 years old, younger 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 676 vehicles a day, roughly 15% of them trucks, projected to reach 825 by 2042. The structure is 54 ft (16.5 m) long and 26 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

Location

Open in Google Maps
CarriesBlanco Road
CrossesAndover Branch
Location0.8 MI E Bolton Woods RD
RouteCounty Highway 355
CountyQueen Anne's County
StateMaryland
Coordinates39.2391, -75.78951
Functional classRural Local

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating68.5 US tons
Inventory rating48.5 US tons

Structure

Structure typeSlab
MaterialWood or Timber
DeckWood or timber
Main spans2
Design loadUnknown
Structure length54 ft (16.5 m)
Longest span27 ft (8.2 m)
Deck width26 ft (7.9 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic676 (2022)
Projected traffic825 by 2042
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 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 Blanco Road over Andover Branch built?

It was built in 1994, making it 31 years old in 2025.

What condition is Blanco Road over Andover 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 May 2024.

How much traffic does Blanco Road over Andover Branch carry?

About 676 vehicles per day (2022 count), of which roughly 15% are trucks.

How long is Blanco Road over Andover Branch?

The structure is 54 ft (16.5 m) long with a longest span of 27 ft (8.2 m) and a deck 26 ft wide.

Who owns Blanco Road over Andover Branch?

It is owned by the County Highway Agency.