US Bridges

Route 16 over Mill Creek

Fair

Grayson County, Virginia · 3.57 to 58; 2.1 Trout Dal · Structure no. 000000000008693

Built
1934
91 years old, rebuilt 1995
Condition
Fair
inspected July 2024
Type
Slab
Concrete
Length
23 ft
1 main span
Daily traffic
1,376
2022 count
Owner
State
State Highway Agency

About this bridge

Route 16 over Mill Creek is a concrete slab carrying Route 16 over Mill Creek in Grayson County, Virginia. It was built in 1934 and reconstructed in 1995, 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 6 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 1,376 vehicles a day, roughly 1% of them trucks, projected to reach 1,534 by 2042. The structure is 23 ft (7 m) long and 28 ft wide. If it were closed, the detour would be 21.1 mi (34 km).

CarriesRoute 16
CrossesMill Creek
Location3.57 to 58; 2.1 Trout Dal
RouteState Highway 16
Coordinates36.66833, -81.40614
Functional classRural Minor Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to 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 alignment7: Better than present minimum criteria
Operating rating97 US tons
Inventory rating75 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length23 ft (7 m)
Longest span20 ft (6.2 m)
Deck width28 ft (8.5 m)
Roadway width25 ft (7.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,376 (2022)
Projected traffic1,534 by 2042
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed21.1 mi (34 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 proposedDeck replacement with only incidental widening
Estimated improvement cost$115.1 million
NavigationNo navigation control on waterway

Frequently asked questions

When was Route 16 over Mill Creek built?

It was built in 1934, making it 91 years old in 2025. It was reconstructed in 1995.

What condition is Route 16 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 2024.

How much traffic does Route 16 over Mill Creek carry?

About 1,376 vehicles per day (2022 count), of which roughly 1% are trucks.

How long is Route 16 over Mill Creek?

The structure is 23 ft (7 m) long with a longest span of 20 ft (6.2 m) and a deck 28 ft wide.

Who owns Route 16 over Mill Creek?

It is owned by the State Highway Agency.