US Bridges

I-77 Sbl over Walker Creek

Fair

Bland County, Virginia · 4.50 FR WCL-1.62 to 42 · Structure no. 000000000002990

Built
1972
53 years old, rebuilt 1998
Condition
Fair
inspected February 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
187 ft
3 main spans
Daily traffic
13,622
2022 count
Owner
State
State Highway Agency

About this bridge

I-77 Sbl over Walker Creek is a prestressed concrete stringer/multi-beam or girder carrying I-77 Sbl over Walker Creek in Bland County, Virginia. It was built in 1972 and reconstructed in 1998, so it is 53 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 13,622 vehicles a day, roughly 1% of them trucks, projected to reach 14,604 by 2045. The structure is 187 ft (57 m) long and 42 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesI-77 Sbl
CrossesWalker Creek
Location4.50 FR WCL-1.62 to 42
RouteInterstate 77
Coordinates37.07443, -81.12666
Functional classRural Principal Arterial - Interstate

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating85 US tons
Inventory rating52 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length187 ft (57 m)
Longest span65 ft (19.8 m)
Deck width42 ft (12.8 m)
Roadway width39 ft (11.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic13,622 (2022)
Projected traffic14,604 by 2045
Trucks1%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

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$210.6 million (2019 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was I-77 Sbl over Walker Creek built?

It was built in 1972, making it 53 years old in 2025. It was reconstructed in 1998.

What condition is I-77 Sbl over Walker 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 February 2023.

How much traffic does I-77 Sbl over Walker Creek carry?

About 13,622 vehicles per day (2022 count), of which roughly 1% are trucks.

How long is I-77 Sbl over Walker Creek?

The structure is 187 ft (57 m) long with a longest span of 65 ft (19.8 m) and a deck 42 ft wide.

Who owns I-77 Sbl over Walker Creek?

It is owned by the State Highway Agency.