US Bridges

J K Robinson - Nbl over Middle RD (rt 628)

Fair

Frederick County, Virginia · 1.72 to 11 - 1.10 to 622 · Structure no. 000000000008088

Built
1977
48 years old
Condition
Fair
inspected April 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
179 ft
3 main spans
Daily traffic
16,093
2022 count
Owner
State
State Highway Agency

About this bridge

J K Robinson - Nbl over Middle RD (rt 628) is a steel stringer/multi-beam or girder carrying J K Robinson - Nbl over Middle RD (rt 628) in Frederick County, Virginia. It was built in 1977, so it is 48 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 16,093 vehicles a day, roughly 6% of them trucks, projected to reach 15,298 by 2042. The structure is 179 ft (54.6 m) long and 42 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesJ K Robinson - Nbl
CrossesMiddle RD (rt 628)
Location1.72 to 11 - 1.10 to 622
RouteState Highway 37
CountyFrederick County
StateVirginia
Coordinates39.1428, -78.20985
Functional classUrban Principal Arterial - Other Freeway or Expressway

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.
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 geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating83 US tons
Inventory rating64 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length179 ft (54.6 m)
Longest span80 ft (24.4 m)
Deck width42 ft (12.8 m)
Roadway width38 ft (11.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic16,093 (2022)
Projected traffic15,298 by 2042
Trucks6%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was J K Robinson - Nbl over Middle RD (rt 628) built?

It was built in 1977, making it 48 years old in 2025.

What condition is J K Robinson - Nbl over Middle RD (rt 628) 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 J K Robinson - Nbl over Middle RD (rt 628) carry?

About 16,093 vehicles per day (2022 count), of which roughly 6% are trucks.

How long is J K Robinson - Nbl over Middle RD (rt 628)?

The structure is 179 ft (54.6 m) long with a longest span of 80 ft (24.4 m) and a deck 42 ft wide.

Who owns J K Robinson - Nbl over Middle RD (rt 628)?

It is owned by the State Highway Agency.