US Bridges

Route 421 over Stone Creek

PoorPosted for load

Lee County, Virginia · 1.75TORT.352; 2.75TO Kysl · Structure no. 000000000010768

Built
1935
90 years old, rebuilt 1988
Condition
Poor
inspected July 2024
Type
Tee Beam
Concrete
Length
48 ft
1 main span
Daily traffic
1,369
2022 count
Owner
State
State Highway Agency

About this bridge

Route 421 over Stone Creek is a concrete tee beam carrying Route 421 over Stone Creek in Lee County, Virginia. It was built in 1935 and reconstructed in 1988, so it is 90 years old, older than the Virginia average of 50.7 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.

It carries about 1,369 vehicles a day, projected to reach 1,526 by 2042. The structure is 48 ft (14.6 m) long and 26 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesRoute 421
CrossesStone Creek
Location1.75TORT.352; 2.75TO Kysl
RouteU.S. Route 421
Coordinates36.76451, -83.08126
Functional classRural Minor Arterial

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating51 US tons
Inventory rating30 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length48 ft (14.6 m)
Longest span44 ft (13.4 m)
Deck width26 ft (7.9 m)
Roadway width23 ft (6.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,369 (2022)
Projected traffic1,526 by 2042
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$195 million
NavigationNo navigation control on waterway

Frequently asked questions

When was Route 421 over Stone Creek built?

It was built in 1935, making it 90 years old in 2025. It was reconstructed in 1988.

What condition is Route 421 over Stone Creek in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in July 2024.

How much traffic does Route 421 over Stone Creek carry?

About 1,369 vehicles per day (2022 count).

How long is Route 421 over Stone Creek?

The structure is 48 ft (14.6 m) long with a longest span of 44 ft (13.4 m) and a deck 26 ft wide.

Who owns Route 421 over Stone Creek?

It is owned by the State Highway Agency.