US Bridges

Nicodemus Mill RD over Dog Creek

Good

Washington County, Maryland · 0.08 MI N of Dogstreet RD · Structure no. 200000W-5961010

Built
1996
29 years old
Condition
Good
inspected October 2023
Type
Frame
Concrete
Length
36 ft
1 main span
Daily traffic
294
2023 count
Owner
County
County Highway Agency

About this bridge

Nicodemus Mill RD over Dog Creek is a concrete frame carrying Nicodemus Mill RD over Dog Creek in Washington County, Maryland. It was built in 1996, so it is 29 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 294 vehicles a day, roughly 5% of them trucks, projected to reach 406 by 2045. The structure is 36 ft (11.1 m) long and 24 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesNicodemus Mill RD
CrossesDog Creek
Location0.08 MI N of Dogstreet RD
RouteCounty Highway 596
Coordinates39.47655, -77.67414
Functional classRural Local

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.
Substructure8 Very GoodNo problems noted.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating110.1 US tons
Inventory rating60 US tons

Structure

Structure typeFrame
MaterialConcrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20 + Mod
Structure length36 ft (11.1 m)
Longest span34 ft (10.4 m)
Deck width24 ft (7.3 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic294 (2023)
Projected traffic406 by 2045
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 Nicodemus Mill RD over Dog Creek built?

It was built in 1996, making it 29 years old in 2025.

What condition is Nicodemus Mill RD over Dog Creek 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 October 2023.

How much traffic does Nicodemus Mill RD over Dog Creek carry?

About 294 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is Nicodemus Mill RD over Dog Creek?

The structure is 36 ft (11.1 m) long with a longest span of 34 ft (10.4 m) and a deck 24 ft wide.

Who owns Nicodemus Mill RD over Dog Creek?

It is owned by the County Highway Agency.