US Bridges

Milltown Road over Branch of Catoctin Creek

Good

Loudoun County, Virginia · 01.02FR692/00.38TO694 · Structure no. 000000000011265

Built
1970
55 years old
Condition
Good
inspected August 2023
Type
Tee Beam
Concrete
Length
87 ft
2 main spans
Daily traffic
3,476
2022 count
Owner
State
State Highway Agency

About this bridge

Milltown Road over Branch of Catoctin Creek is a concrete tee beam carrying Milltown Road over Branch of Catoctin Creek in Loudoun County, Virginia. It was built in 1970, so it is 55 years old, older than the Virginia average of 50.7 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 3,476 vehicles a day, roughly 1% of them trucks, projected to reach 4,521 by 2045. The structure is 87 ft (26.5 m) long and 30 ft wide. If it were closed, the detour would be 19.9 mi (32 km).

Location

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CarriesMilltown Road
CrossesBranch of Catoctin Creek
Location01.02FR692/00.38TO694
RouteCounty Highway 681
CountyLoudoun County
StateVirginia
Coordinates39.2173, -77.63071
Functional classRural Minor 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 inspectionAugust 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 geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating62.8 US tons
Inventory rating48.5 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length87 ft (26.5 m)
Longest span44 ft (13.4 m)
Deck width30 ft (9 m)
Roadway width27 ft (8.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,476 (2022)
Projected traffic4,521 by 2045
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed19.9 mi (32 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$150 million
NavigationNo navigation control on waterway

Frequently asked questions

When was Milltown Road over Branch of Catoctin Creek built?

It was built in 1970, making it 55 years old in 2025.

What condition is Milltown Road over Branch of Catoctin 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 August 2023.

How much traffic does Milltown Road over Branch of Catoctin Creek carry?

About 3,476 vehicles per day (2022 count), of which roughly 1% are trucks.

How long is Milltown Road over Branch of Catoctin Creek?

The structure is 87 ft (26.5 m) long with a longest span of 44 ft (13.4 m) and a deck 30 ft wide.

Who owns Milltown Road over Branch of Catoctin Creek?

It is owned by the State Highway Agency.