US Bridges

Kemps Mill Road over Conococheague Creek

Fair

Washington County, Maryland · 0.85 W of Walnut Point RD · Structure no. 200000W-0871010

Built
1976
49 years old
Condition
Fair
inspected November 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
164 ft
2 main spans
Daily traffic
1,187
2009 count
Owner
County
County Highway Agency

About this bridge

Kemps Mill Road over Conococheague Creek is a steel stringer/multi-beam or girder carrying Kemps Mill Road over Conococheague Creek in Washington County, Maryland. It was built in 1976, so it is 49 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 5 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 1,187 vehicles a day, roughly 5% of them trucks, projected to reach 2,044 by 2031. The structure is 164 ft (50 m) long and 14 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

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CarriesKemps Mill Road
CrossesConococheague Creek
Location0.85 W of Walnut Point RD
RouteCounty Highway 87
CountyWashington County
StateMaryland
Coordinates39.62971, -77.83733
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating66.5 US tons
Inventory rating40 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length164 ft (50 m)
Longest span80 ft (24.4 m)
Deck width14 ft (4.3 m)
Roadway width12 ft (3.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,187 (2009)
Projected traffic2,044 by 2031
Trucks5%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$758,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Kemps Mill Road over Conococheague Creek built?

It was built in 1976, making it 49 years old in 2025.

What condition is Kemps Mill Road over Conococheague 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 November 2023.

How much traffic does Kemps Mill Road over Conococheague Creek carry?

About 1,187 vehicles per day (2009 count), of which roughly 5% are trucks.

How long is Kemps Mill Road over Conococheague Creek?

The structure is 164 ft (50 m) long with a longest span of 80 ft (24.4 m) and a deck 14 ft wide.

Who owns Kemps Mill Road over Conococheague Creek?

It is owned by the County Highway Agency.