US Bridges

Thorntons Mill RD over Big Cub Creek

Good

Charlotte County, Virginia · 0.11-RT 691 / 1.24-RT 736 · Structure no. 000000000031850

Built
2024
1 years old
Condition
Good
inspected April 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
63 ft
2 main spans
Daily traffic
102
2018 count
Owner
State
State Highway Agency

About this bridge

Thorntons Mill RD over Big Cub Creek is a steel stringer/multi-beam or girder carrying Thorntons Mill RD over Big Cub Creek in Charlotte County, Virginia. It was built in 2024, so it is 1 years old, younger 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 9 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 102 vehicles a day, projected to reach 137 by 2040. The structure is 63 ft (19.2 m) long and 23 ft wide. If it were closed, the detour would be 11.8 mi (19 km).

Location

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CarriesThorntons Mill RD
CrossesBig Cub Creek
Location0.11-RT 691 / 1.24-RT 736
RouteCounty Highway 701
CountyCharlotte County
StateVirginia
Coordinates37.20359, -78.73474
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.

ComponentRatingMeaning
Deck9 ExcellentNo problems noted.
Superstructure9 ExcellentNo problems noted.
Substructure9 ExcellentNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation9: Superior to present desirable 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 rating89 US tons
Inventory rating69 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckWood or timber
Main spans2
Design loadHS 20
Structure length63 ft (19.2 m)
Longest span46 ft (13.9 m)
Deck width23 ft (6.9 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic102 (2018)
Projected traffic137 by 2040
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed11.8 mi (19 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$507 million
NavigationNo navigation control on waterway

Frequently asked questions

When was Thorntons Mill RD over Big Cub Creek built?

It was built in 2024, making it 1 years old in 2025.

What condition is Thorntons Mill RD over Big Cub 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 April 2024.

How much traffic does Thorntons Mill RD over Big Cub Creek carry?

About 102 vehicles per day (2018 count).

How long is Thorntons Mill RD over Big Cub Creek?

The structure is 63 ft (19.2 m) long with a longest span of 46 ft (13.9 m) and a deck 23 ft wide.

Who owns Thorntons Mill RD over Big Cub Creek?

It is owned by the State Highway Agency.