US Bridges

Route 15/29 Nbl over Rappahannock River

Fair

Culpeper County, Virginia · Culpeper/Fauquier C.L. · Structure no. 000000000005580

Built
1975
50 years old
Condition
Fair
inspected October 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
454 ft
4 main spans
Daily traffic
22,684
2022 count
Owner
State
State Highway Agency

About this bridge

Route 15/29 Nbl over Rappahannock River is a steel continuous stringer/multi-beam or girder carrying Route 15/29 Nbl over Rappahannock River in Culpeper County, Virginia. It was built in 1975, so it is 50 years old, younger 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 22,684 vehicles a day, roughly 1% of them trucks, projected to reach 33,120 by 2045. The structure is 454 ft (138.4 m) long and 42 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesRoute 15/29 Nbl
CrossesRappahannock River
LocationCulpeper/Fauquier C.L.
RouteU.S. Route 15
Coordinates38.52861, -77.82024
Functional classRural Principal Arterial - Other

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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating58 US tons
Inventory rating45 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length454 ft (138.4 m)
Longest span125 ft (38.1 m)
Deck width42 ft (12.8 m)
Roadway width38 ft (11.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic22,684 (2022)
Projected traffic33,120 by 2045
Trucks1%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes

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 Route 15/29 Nbl over Rappahannock River built?

It was built in 1975, making it 50 years old in 2025.

What condition is Route 15/29 Nbl over Rappahannock River 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 October 2023.

How much traffic does Route 15/29 Nbl over Rappahannock River carry?

About 22,684 vehicles per day (2022 count), of which roughly 1% are trucks.

How long is Route 15/29 Nbl over Rappahannock River?

The structure is 454 ft (138.4 m) long with a longest span of 125 ft (38.1 m) and a deck 42 ft wide.

Who owns Route 15/29 Nbl over Rappahannock River?

It is owned by the State Highway Agency.