US Bridges

Route 770 over Little River

FairPosted for load

Tazewell County, Virginia · .95 FR Rus CO L-.02 TO609 · Structure no. 000000000018680

Built
1932
93 years old
Condition
Fair
inspected August 2023
Type
Tee Beam
Concrete
Length
150 ft
4 main spans
Daily traffic
341
2015 count
Owner
State
State Highway Agency

About this bridge

Route 770 over Little River is a concrete tee beam carrying Route 770 over Little River in Tazewell County, Virginia. It was built in 1932, 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 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for load restriction.

It carries about 341 vehicles a day, projected to reach 344 by 2045. The structure is 150 ft (45.7 m) long and 21 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesRoute 770
CrossesLittle River
Location.95 FR Rus CO L-.02 TO609
RouteCounty Highway 770
Coordinates37.03073, -81.79557
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
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.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating39 US tons
Inventory rating30 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans4
Design loadH 20
Structure length150 ft (45.7 m)
Longest span38 ft (11.6 m)
Deck width21 ft (6.4 m)
Roadway width18 ft (5.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic341 (2015)
Projected traffic344 by 2045
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$604.2 million
NavigationNo navigation control on waterway

Frequently asked questions

When was Route 770 over Little River built?

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

What condition is Route 770 over Little River 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 August 2023.

How much traffic does Route 770 over Little River carry?

About 341 vehicles per day (2015 count).

How long is Route 770 over Little River?

The structure is 150 ft (45.7 m) long with a longest span of 38 ft (11.6 m) and a deck 21 ft wide.

Who owns Route 770 over Little River?

It is owned by the State Highway Agency.