US Bridges

Basehores Mill RD over Big Pipe Creek

Fair

Carroll County, Maryland · 0.02 MI NW of Unger RD · Structure no. 200000CL0220010

Built
1981
44 years old
Condition
Fair
inspected September 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
74 ft
1 main span
Daily traffic
669
2021 count
Owner
County
County Highway Agency

About this bridge

Basehores Mill RD over Big Pipe Creek is a steel stringer/multi-beam or girder carrying Basehores Mill RD over Big Pipe Creek in Carroll County, Maryland. It was built in 1981, so it is 44 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 669 vehicles a day, roughly 5% of them trucks, projected to reach 1,100 by 2041. The structure is 74 ft (22.6 m) long and 26 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

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CarriesBasehores Mill RD
CrossesBig Pipe Creek
Location0.02 MI NW of Unger RD
RouteCounty Highway 60
CountyCarroll County
StateMaryland
Coordinates39.65704, -77.12131
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
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 alignment6: Equal to present minimum criteria
Operating rating110.1 US tons
Inventory rating61 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length74 ft (22.6 m)
Longest span70 ft (21.3 m)
Deck width26 ft (7.8 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic669 (2021)
Projected traffic1,100 by 2041
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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Basehores Mill RD over Big Pipe Creek built?

It was built in 1981, making it 44 years old in 2025.

What condition is Basehores Mill RD over Big Pipe Creek 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 September 2023.

How much traffic does Basehores Mill RD over Big Pipe Creek carry?

About 669 vehicles per day (2021 count), of which roughly 5% are trucks.

How long is Basehores Mill RD over Big Pipe Creek?

The structure is 74 ft (22.6 m) long with a longest span of 70 ft (21.3 m) and a deck 26 ft wide.

Who owns Basehores Mill RD over Big Pipe Creek?

It is owned by the County Highway Agency.