US Bridges

Route 604 over Blackwater Creek

Fair

Lee County, Virginia · 0.85 Fr. 603; 0.05 to 608 · Structure no. 000000000010777

Built
1932
93 years old, rebuilt 2022
Condition
Fair
inspected July 2024
Type
Slab
Concrete
Length
32 ft
1 main span
Daily traffic
121
2022 count
Owner
State
State Highway Agency

About this bridge

Route 604 over Blackwater Creek is a concrete slab carrying Route 604 over Blackwater Creek in Lee County, Virginia. It was built in 1932 and reconstructed in 2022, so it is 93 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 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 121 vehicles a day, projected to reach 135 by 2042. The structure is 32 ft (9.8 m) long and 21 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesRoute 604
CrossesBlackwater Creek
Location0.85 Fr. 603; 0.05 to 608
RouteCounty Highway 604
CountyLee County
StateVirginia
Coordinates36.63931, -83.01568
Functional classRural Local

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating75.9 US tons
Inventory rating58 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, precast panels
Main spans1
Design loadHL 93
Structure length32 ft (9.8 m)
Longest span31 ft (9.3 m)
Deck width21 ft (6.3 m)
Roadway width19 ft (5.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic121 (2022)
Projected traffic135 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 proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$101.1 million
NavigationNo navigation control on waterway

Frequently asked questions

When was Route 604 over Blackwater Creek built?

It was built in 1932, making it 93 years old in 2025. It was reconstructed in 2022.

What condition is Route 604 over Blackwater Creek 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 July 2024.

How much traffic does Route 604 over Blackwater Creek carry?

About 121 vehicles per day (2022 count).

How long is Route 604 over Blackwater Creek?

The structure is 32 ft (9.8 m) long with a longest span of 31 ft (9.3 m) and a deck 21 ft wide.

Who owns Route 604 over Blackwater Creek?

It is owned by the State Highway Agency.