US Bridges

Crlina Sprng RD734 over Blackwater River

Good

Franklin County, Virginia · 1.20 Rt 737; 1.80 Rt 709 · Structure no. 000000000007937

Built
1971
54 years old
Condition
Good
inspected July 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
176 ft
3 main spans
Daily traffic
1,271
2021 count
Owner
State
State Highway Agency

About this bridge

Crlina Sprng RD734 over Blackwater River is a steel stringer/multi-beam or girder carrying Crlina Sprng RD734 over Blackwater River in Franklin County, Virginia. It was built in 1971, so it is 54 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 1,271 vehicles a day, roughly 3% of them trucks, projected to reach 931 by 2040. The structure is 176 ft (53.6 m) long and 31 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesCrlina Sprng RD734
CrossesBlackwater River
Location1.20 Rt 737; 1.80 Rt 709
RouteCounty Highway 734
Coordinates37.0183, -79.9612
Functional classRural Minor Collector

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 protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating83 US tons
Inventory rating64 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length176 ft (53.6 m)
Longest span59 ft (18 m)
Deck width31 ft (9.3 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,271 (2021)
Projected traffic931 by 2040
Trucks3%
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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Crlina Sprng RD734 over Blackwater River built?

It was built in 1971, making it 54 years old in 2025.

What condition is Crlina Sprng RD734 over Blackwater River 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 July 2024.

How much traffic does Crlina Sprng RD734 over Blackwater River carry?

About 1,271 vehicles per day (2021 count), of which roughly 3% are trucks.

How long is Crlina Sprng RD734 over Blackwater River?

The structure is 176 ft (53.6 m) long with a longest span of 59 ft (18 m) and a deck 31 ft wide.

Who owns Crlina Sprng RD734 over Blackwater River?

It is owned by the State Highway Agency.