US Bridges

Slate Mills Road over Hazel River

Good

Rappahannock County, Virginia · .40 FR 604S & .01 to 604N · Structure no. 000000000023516

Built
1992
33 years old
Condition
Good
inspected October 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
102 ft
1 main span
Daily traffic
458
2022 count
Owner
State
State Highway Agency

About this bridge

Slate Mills Road over Hazel River is a steel stringer/multi-beam or girder carrying Slate Mills Road over Hazel River in Rappahannock County, Virginia. It was built in 1992, so it is 33 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 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 458 vehicles a day, roughly 1% of them trucks, projected to reach 530 by 2042. The structure is 102 ft (31.1 m) long and 30 ft wide. If it were closed, the detour would be 13 mi (21 km).

CarriesSlate Mills Road
CrossesHazel River
Location.40 FR 604S & .01 to 604N
RouteCounty Highway 707
Coordinates38.53131, -78.17859
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 inspectionOctober 2024
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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating87 US tons
Inventory rating67 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length102 ft (31.1 m)
Longest span100 ft (30.5 m)
Deck width30 ft (9.1 m)
Roadway width27 ft (8.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic458 (2022)
Projected traffic530 by 2042
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed13 mi (21 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—
NavigationNo navigation control on waterway

Frequently asked questions

When was Slate Mills Road over Hazel River built?

It was built in 1992, making it 33 years old in 2025.

What condition is Slate Mills Road over Hazel River 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 October 2024.

How much traffic does Slate Mills Road over Hazel River carry?

About 458 vehicles per day (2022 count), of which roughly 1% are trucks.

How long is Slate Mills Road over Hazel River?

The structure is 102 ft (31.1 m) long with a longest span of 100 ft (30.5 m) and a deck 30 ft wide.

Who owns Slate Mills Road over Hazel River?

It is owned by the State Highway Agency.