Queponco Road over Old Mill Branch

Good

Worcester County, Maryland · 3.79 MI N of US RTE 113 · Structure no. 200000WO0402010

Built: 1994; 31 years old
Condition: Good; inspected October 2023
Type: Slab; Wood or Timber
Length: 44 ft; 3 main spans
Daily traffic: 130; 2010 count
Owner: County; County Highway Agency

About this bridge

Queponco Road over Old Mill Branch is a wood or timber slab carrying Queponco Road over Old Mill Branch in Worcester County, Maryland. It was built in 1994, so it is 31 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 130 vehicles a day, roughly 5% of them trucks, projected to reach 150 by 2030. The structure is 44 ft (13.5 m) long and 24 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

Location

No coordinates are recorded for this structure.

CarriesQueponco Road

CrossesOld Mill Branch

Location3.79 MI N of US RTE 113

RouteCounty Highway 123

CountyWorcester County

StateMaryland

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.

Component	Rating	Meaning
Deck	7 Good	Some minor problems.
Superstructure	7 Good	Some minor problems.
Substructure	7 Good	Some minor problems.
Channel and channel protection	6 Satisfactory	Structural elements show some minor deterioration.

Last inspectionOctober 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 adequacy7: Better than present minimum criteria

Approach roadway alignment3: Basically intolerable, requiring high priority of corrective action

Operating rating49.5 US tons

Inventory rating36 US tons

Structure

Structure typeSlab

MaterialWood or Timber

DeckWood or timber

Main spans3

Design loadHS 20

Structure length44 ft (13.5 m)

Longest span14 ft (4.3 m)

Deck width24 ft (7.2 m)

Roadway width22 ft (6.8 m)

Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic130 (2010)

Projected traffic150 by 2030

Trucks5%

Lanes on structure2

Traffic directionTwo-way traffic

CarriesHighway

CrossesWaterway

Detour if closed8.1 mi (13 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 Queponco Road over Old Mill Branch built?

It was built in 1994, making it 31 years old in 2025.

What condition is Queponco Road over Old Mill Branch 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 Queponco Road over Old Mill Branch carry?

About 130 vehicles per day (2010 count), of which roughly 5% are trucks.

How long is Queponco Road over Old Mill Branch?

The structure is 44 ft (13.5 m) long with a longest span of 14 ft (4.3 m) and a deck 24 ft wide.

Who owns Queponco Road over Old Mill Branch?

It is owned by the County Highway Agency.