US Bridges

Bollinger Road over Beaver Run

Good

Carroll County, Maryland · 1.05 MI W of Md 140 · Structure no. 200000CL0407010

Built
2012
13 years old
Condition
Good
inspected May 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
54 ft
1 main span
Daily traffic
2,328
2021 count
Owner
County
County Highway Agency

About this bridge

Bollinger Road over Beaver Run is a prestressed concrete box beam or girders - multiple carrying Bollinger Road over Beaver Run in Carroll County, Maryland. It was built in 2012, so it is 13 years old, younger than the Maryland average of 52.6 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 2,328 vehicles a day, roughly 3% of them trucks, projected to reach 3,820 by 2041. The structure is 54 ft (16.4 m) long and 31 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesBollinger Road
CrossesBeaver Run
Location1.05 MI W of Md 140
RouteCounty Highway 523
Coordinates39.5261, -76.94476
Functional classUrban Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating107.1 US tons
Inventory rating35.7 US tons

Structure

MaterialPrestressed Concrete
DeckNot applicable
Main spans1
Design loadHS 25 or greater
Structure length54 ft (16.4 m)
Longest span51 ft (15.5 m)
Deck width31 ft (9.4 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,328 (2021)
Projected traffic3,820 by 2041
Trucks3%
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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Bollinger Road over Beaver Run built?

It was built in 2012, making it 13 years old in 2025.

What condition is Bollinger Road over Beaver Run in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in May 2023.

How much traffic does Bollinger Road over Beaver Run carry?

About 2,328 vehicles per day (2021 count), of which roughly 3% are trucks.

How long is Bollinger Road over Beaver Run?

The structure is 54 ft (16.4 m) long with a longest span of 51 ft (15.5 m) and a deck 31 ft wide.

Who owns Bollinger Road over Beaver Run?

It is owned by the County Highway Agency.