US Bridges

I-77 Sbl over RTE 52

Fair

Bland County, Virginia · 7.65 FR.WCL-10.73 to 61 · Structure no. 000000000003008

Built
1974
51 years old
Condition
Fair
inspected October 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
152 ft
3 main spans
Daily traffic
14,627
2022 count
Owner
State
State Highway Agency

About this bridge

I-77 Sbl over RTE 52 is a prestressed concrete stringer/multi-beam or girder carrying I-77 Sbl over RTE 52 in Bland County, Virginia. It was built in 1974, so it is 51 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 5 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 14,627 vehicles a day, roughly 1% of them trucks, projected to reach 15,431 by 2042. The structure is 152 ft (46.3 m) long and 44 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesI-77 Sbl
CrossesRTE 52
Location7.65 FR.WCL-10.73 to 61
RouteInterstate 77
CountyBland County
StateVirginia
Coordinates37.11841, -81.12279
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating61.9 US tons
Inventory rating38 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length152 ft (46.3 m)
Longest span64 ft (19.5 m)
Deck width44 ft (13.4 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic14,627 (2022)
Projected traffic15,431 by 2042
Trucks1%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
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$178.1 million (2019 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was I-77 Sbl over RTE 52 built?

It was built in 1974, making it 51 years old in 2025.

What condition is I-77 Sbl over RTE 52 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 October 2024.

How much traffic does I-77 Sbl over RTE 52 carry?

About 14,627 vehicles per day (2022 count), of which roughly 1% are trucks.

How long is I-77 Sbl over RTE 52?

The structure is 152 ft (46.3 m) long with a longest span of 64 ft (19.5 m) and a deck 44 ft wide.

Who owns I-77 Sbl over RTE 52?

It is owned by the State Highway Agency.