US Bridges

Radford Rd.[rt 11] over Plum Creek

Good

Montgomery County, Virginia · 4.00-WCL Chri; .02-RT792 · Structure no. 000000000012110

Built
1925
100 years old, rebuilt 2007
Condition
Good
inspected January 2024
Type
Slab
Prestressed Concrete
Length
47 ft
1 main span
Daily traffic
8,591
2022 count
Owner
State
State Highway Agency

About this bridge

Radford Rd.[rt 11] over Plum Creek is a prestressed concrete slab carrying Radford Rd.[rt 11] over Plum Creek in Montgomery County, Virginia. It was built in 1925 and reconstructed in 2007, so it is 100 years old, older than the Virginia average of 50.7 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 8,591 vehicles a day, projected to reach 9,579 by 2042. The structure is 47 ft (14.3 m) long and 45 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

CarriesRadford Rd.[rt 11]
CrossesPlum Creek
Location4.00-WCL Chri; .02-RT792
RouteU.S. Route 11
Coordinates37.12909, -80.50526
Functional classUrban Other Principal Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating96 US tons
Inventory rating74 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckOther
Main spans1
Design loadHS 20 + Mod
Structure length47 ft (14.3 m)
Longest span42 ft (12.8 m)
Deck width45 ft (13.7 m)
Roadway width42 ft (12.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,591 (2022)
Projected traffic9,579 by 2042
Trucks0%
Lanes on structure3
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed9.9 mi (16 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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$271.4 million (2020 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Radford Rd.[rt 11] over Plum Creek built?

It was built in 1925, making it 100 years old in 2025. It was reconstructed in 2007.

What condition is Radford Rd.[rt 11] over Plum Creek in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in January 2024.

How much traffic does Radford Rd.[rt 11] over Plum Creek carry?

About 8,591 vehicles per day (2022 count).

How long is Radford Rd.[rt 11] over Plum Creek?

The structure is 47 ft (14.3 m) long with a longest span of 42 ft (12.8 m) and a deck 45 ft wide.

Who owns Radford Rd.[rt 11] over Plum Creek?

It is owned by the State Highway Agency.