US Bridges

Knights Run Rd. over Head of the River

Fair

Northumberland County, Virginia · 0.9M RTE201-0.7M RTE603 · Structure no. 000000000012785

Built
1973
52 years old
Condition
Fair
inspected May 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
35 ft
1 main span
Daily traffic
1,018
2022 count
Owner
State
State Highway Agency

About this bridge

Knights Run Rd. over Head of the River is a steel stringer/multi-beam or girder carrying Knights Run Rd. over Head of the River in Northumberland County, Virginia. It was built in 1973, so it is 52 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 1,018 vehicles a day, projected to reach 1,135 by 2045. The structure is 35 ft (10.7 m) long and 24 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

Location

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CarriesKnights Run Rd.
CrossesHead of the River
Location0.9M RTE201-0.7M RTE603
RouteCounty Highway 642
CountyNorthumberland County
StateVirginia
Coordinates37.86647, -76.44154
Functional classRural Minor Collector

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.
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 inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating57.1 US tons
Inventory rating34.2 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckWood or timber
Main spans1
Design loadHS 20
Structure length35 ft (10.7 m)
Longest span32 ft (9.8 m)
Deck width24 ft (7.3 m)
Roadway width23 ft (7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,018 (2022)
Projected traffic1,135 by 2045
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 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 Knights Run Rd. over Head of the River built?

It was built in 1973, making it 52 years old in 2025.

What condition is Knights Run Rd. over Head of the 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 May 2023.

How much traffic does Knights Run Rd. over Head of the River carry?

About 1,018 vehicles per day (2022 count).

How long is Knights Run Rd. over Head of the River?

The structure is 35 ft (10.7 m) long with a longest span of 32 ft (9.8 m) and a deck 24 ft wide.

Who owns Knights Run Rd. over Head of the River?

It is owned by the State Highway Agency.