US Bridges

I-77 Nbl over Route 598

Fair

Bland County, Virginia · 2.07-61;0.12E.RV Mtntun. · Structure no. 000000000003014

Built
1974
51 years old
Condition
Fair
inspected October 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
150 ft
3 main spans
Daily traffic
15,371
2022 count
Owner
State
State Highway Agency

About this bridge

I-77 Nbl over Route 598 is a steel stringer/multi-beam or girder carrying I-77 Nbl over Route 598 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 15,371 vehicles a day, roughly 1% of them trucks, projected to reach 15,483 by 2042. The structure is 150 ft (45.7 m) long and 52 ft wide.

Location

Open in Google Maps
CarriesI-77 Nbl
CrossesRoute 598
Location2.07-61;0.12E.RV Mtntun.
RouteInterstate 77
CountyBland County
StateVirginia
Coordinates37.26493, -81.12136
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 geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating69 US tons
Inventory rating53 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length150 ft (45.7 m)
Longest span54 ft (16.6 m)
Deck width52 ft (15.8 m)
Roadway width48 ft (14.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic15,371 (2022)
Projected traffic15,483 by 2042
Trucks1%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed—
TollOn a free road
National Highway SystemYes

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$208 million (2019 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was I-77 Nbl over Route 598 built?

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

What condition is I-77 Nbl over Route 598 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 Nbl over Route 598 carry?

About 15,371 vehicles per day (2022 count), of which roughly 1% are trucks.

How long is I-77 Nbl over Route 598?

The structure is 150 ft (45.7 m) long with a longest span of 54 ft (16.6 m) and a deck 52 ft wide.

Who owns I-77 Nbl over Route 598?

It is owned by the State Highway Agency.