US Bridges

Main St-Mt Jackson over Mill Creek

Fair

Shenandoah County, Virginia · 0.12 to 263-0.00 Scl Mt J · Structure no. 000000000016957

Built
1934
91 years old, rebuilt 1990
Condition
Fair
inspected July 2023
Type
Tee Beam
Concrete
Length
113 ft
3 main spans
Daily traffic
5,158
2022 count
Owner
State
State Highway Agency

About this bridge

Main St-Mt Jackson over Mill Creek is a concrete tee beam carrying Main St-Mt Jackson over Mill Creek in Shenandoah County, Virginia. It was built in 1934 and reconstructed in 1990, so it is 91 years old, older than the Virginia average of 50.7 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 5,158 vehicles a day, projected to reach 5,751 by 2045. The structure is 113 ft (34.4 m) long and 47 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

CarriesMain St-Mt Jackson
CrossesMill Creek
Location0.12 to 263-0.00 Scl Mt J
RouteU.S. Route 11
Coordinates38.74191, -78.64221
Functional classRural Major Collector

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.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating41 US tons
Inventory rating24 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadH 15
Structure length113 ft (34.4 m)
Longest span37 ft (11.4 m)
Deck width47 ft (14.3 m)
Roadway width39 ft (11.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,158 (2022)
Projected traffic5,751 by 2045
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed8.1 mi (13 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 proposedNone recorded
Estimated improvement cost$122 million
NavigationNo navigation control on waterway

Frequently asked questions

When was Main St-Mt Jackson over Mill Creek built?

It was built in 1934, making it 91 years old in 2025. It was reconstructed in 1990.

What condition is Main St-Mt Jackson over Mill 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 July 2023.

How much traffic does Main St-Mt Jackson over Mill Creek carry?

About 5,158 vehicles per day (2022 count).

How long is Main St-Mt Jackson over Mill Creek?

The structure is 113 ft (34.4 m) long with a longest span of 37 ft (11.4 m) and a deck 47 ft wide.

Who owns Main St-Mt Jackson over Mill Creek?

It is owned by the State Highway Agency.