US Bridges

Old Furnace Road over Nassawango Creek

Good

Worcester County, Maryland · 1.10 MI SW of Md 12 · Structure no. 200000WO0212010

Built
2004
21 years old
Condition
Good
inspected September 2023
Type
Slab
Wood or Timber
Length
44 ft
3 main spans
Daily traffic
450
2010 count
Owner
County
County Highway Agency

About this bridge

Old Furnace Road over Nassawango Creek is a wood or timber slab carrying Old Furnace Road over Nassawango Creek in Worcester County, Maryland. It was built in 2004, so it is 21 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 450 vehicles a day, roughly 5% of them trucks, projected to reach 500 by 2030. The structure is 44 ft (13.4 m) long and 24 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesOld Furnace Road
CrossesNassawango Creek
Location1.10 MI SW of Md 12
RouteCounty Highway 10
Coordinates38.20624, -75.46806
Functional classRural Major 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 protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 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 adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating95 US tons
Inventory rating69.4 US tons

Structure

Structure typeSlab
MaterialWood or Timber
DeckWood or timber
Main spans3
Design loadHS 20
Structure length44 ft (13.4 m)
Longest span14 ft (4.3 m)
Deck width24 ft (7.4 m)
Roadway width22 ft (6.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic450 (2010)
Projected traffic500 by 2030
Trucks5%
Lanes on structure2
Traffic directionTwo-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 proposedOther structural work, including hydraulic replacements
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Old Furnace Road over Nassawango Creek built?

It was built in 2004, making it 21 years old in 2025.

What condition is Old Furnace Road over Nassawango 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 September 2023.

How much traffic does Old Furnace Road over Nassawango Creek carry?

About 450 vehicles per day (2010 count), of which roughly 5% are trucks.

How long is Old Furnace Road over Nassawango Creek?

The structure is 44 ft (13.4 m) long with a longest span of 14 ft (4.3 m) and a deck 24 ft wide.

Who owns Old Furnace Road over Nassawango Creek?

It is owned by the County Highway Agency.