US Bridges

Crabtree Falls HWY over Mill Race Overflow

Good

Nelson County, Virginia · 2.31-RT.151/0.12- Rt. 666 · Structure no. 000000000012416

Built
1939
86 years old
Condition
Good
inspected January 2023
Type
Tee Beam
Concrete
Length
43 ft
1 main span
Daily traffic
726
2022 count
Owner
State
State Highway Agency

About this bridge

Crabtree Falls HWY over Mill Race Overflow is a concrete tee beam carrying Crabtree Falls HWY over Mill Race Overflow in Nelson County, Virginia. It was built in 1939, so it is 86 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 726 vehicles a day, projected to reach 809 by 2045. The structure is 43 ft (13 m) long and 28 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

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CarriesCrabtree Falls HWY
CrossesMill Race Overflow
Location2.31-RT.151/0.12- Rt. 666
RouteState Highway 56
CountyNelson County
StateVirginia
Coordinates37.78134, -78.99775
Functional classRural Major 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 protection8 Very GoodNo problems noted.
Last inspectionJanuary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
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 alignment6: Equal to present minimum criteria
Operating rating44 US tons
Inventory rating27 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length43 ft (13 m)
Longest span40 ft (12.2 m)
Deck width28 ft (8.4 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic726 (2022)
Projected traffic809 by 2045
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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$825.9 million
NavigationNo navigation control on waterway

Frequently asked questions

When was Crabtree Falls HWY over Mill Race Overflow built?

It was built in 1939, making it 86 years old in 2025.

What condition is Crabtree Falls HWY over Mill Race Overflow 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 January 2023.

How much traffic does Crabtree Falls HWY over Mill Race Overflow carry?

About 726 vehicles per day (2022 count).

How long is Crabtree Falls HWY over Mill Race Overflow?

The structure is 43 ft (13 m) long with a longest span of 40 ft (12.2 m) and a deck 28 ft wide.

Who owns Crabtree Falls HWY over Mill Race Overflow?

It is owned by the State Highway Agency.