US Bridges

Nalles Mill Road over Norfolk Southern RR

Fair

Culpeper County, Virginia · .3 FR 15&29BUS &.4 to 699 · Structure no. 000000000005680

Built
1965
60 years old
Condition
Fair
inspected April 2024
Type
Slab
Prestressed Concrete
Length
146 ft
3 main spans
Daily traffic
1,964
2014 count
Owner
State
State Highway Agency

About this bridge

Nalles Mill Road over Norfolk Southern RR is a prestressed concrete slab carrying Nalles Mill Road over Norfolk Southern RR in Culpeper County, Virginia. It was built in 1965, so it is 60 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 1,964 vehicles a day, projected to reach 3,182 by 2042. The structure is 146 ft (44.5 m) long and 29 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesNalles Mill Road
CrossesNorfolk Southern RR
Location.3 FR 15&29BUS &.4 to 699
RouteCounty Highway 667
Coordinates38.47736, -77.9766
Functional classUrban Local

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating77.1 US tons
Inventory rating56 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckOther
Main spans3
Design loadHS 20 + Mod
Structure length146 ft (44.5 m)
Longest span54 ft (16.5 m)
Deck width29 ft (8.8 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,964 (2014)
Projected traffic3,182 by 2042
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesRailroad
Detour if closed3.7 mi (6 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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Nalles Mill Road over Norfolk Southern RR built?

It was built in 1965, making it 60 years old in 2025.

What condition is Nalles Mill Road over Norfolk Southern RR 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 April 2024.

How much traffic does Nalles Mill Road over Norfolk Southern RR carry?

About 1,964 vehicles per day (2014 count).

How long is Nalles Mill Road over Norfolk Southern RR?

The structure is 146 ft (44.5 m) long with a longest span of 54 ft (16.5 m) and a deck 29 ft wide.

Who owns Nalles Mill Road over Norfolk Southern RR?

It is owned by the State Highway Agency.