US Bridges

Seminole Trail Nbl over North Fork Rivanna River

Fair

Albemarle County, Virginia · 1.64FR649/3.10TO Greenecl · Structure no. 000000000000481

Built
1965
60 years old
Condition
Fair
inspected October 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
252 ft
4 main spans
Daily traffic
18,995
2022 count
Owner
State
State Highway Agency

About this bridge

Seminole Trail Nbl over North Fork Rivanna River is a steel stringer/multi-beam or girder carrying Seminole Trail Nbl over North Fork Rivanna River in Albemarle 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 5 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 18,995 vehicles a day, roughly 1% of them trucks, projected to reach 27,733 by 2042. The structure is 252 ft (76.9 m) long and 35 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesSeminole Trail Nbl
CrossesNorth Fork Rivanna River
Location1.64FR649/3.10TO Greenecl
RouteU.S. Route 29
Coordinates38.15199, -78.4221
Functional classUrban Other Principal Arterial

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
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 rating64 US tons
Inventory rating50 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length252 ft (76.9 m)
Longest span61 ft (18.7 m)
Deck width35 ft (10.7 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic18,995 (2022)
Projected traffic27,733 by 2042
Trucks1%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkNon-Interstate STRAHNET route

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedOther structural work, including hydraulic replacements
Estimated improvement cost$16 million
NavigationNo navigation control on waterway

Frequently asked questions

When was Seminole Trail Nbl over North Fork Rivanna River built?

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

What condition is Seminole Trail Nbl over North Fork Rivanna 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 2024.

How much traffic does Seminole Trail Nbl over North Fork Rivanna River carry?

About 18,995 vehicles per day (2022 count), of which roughly 1% are trucks.

How long is Seminole Trail Nbl over North Fork Rivanna River?

The structure is 252 ft (76.9 m) long with a longest span of 61 ft (18.7 m) and a deck 35 ft wide.

Who owns Seminole Trail Nbl over North Fork Rivanna River?

It is owned by the State Highway Agency.