US Bridges

Sbl Route 29 over Tye River

Fair

Amherst County, Virginia · 0.00-AMHERST/0.00-NELSON · Structure no. 000000000001340

Built
1972
53 years old
Condition
Fair
inspected August 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
640 ft
5 main spans
Daily traffic
15,481
2022 count
Owner
State
State Highway Agency

About this bridge

Sbl Route 29 over Tye River is a steel continuous stringer/multi-beam or girder carrying Sbl Route 29 over Tye River in Amherst County, Virginia. It was built in 1972, 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 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 15,481 vehicles a day, roughly 1% of them trucks, projected to reach 19,809 by 2045. The structure is 640 ft (195.1 m) long and 42 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesSbl Route 29
CrossesTye River
Location0.00-AMHERST/0.00-NELSON
RouteU.S. Route 29
CountyAmherst County
StateVirginia
Coordinates37.65538, -78.96118
Functional classRural Principal Arterial - Other

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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no 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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating61.9 US tons
Inventory rating48 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans5 (+1 approach)
Design loadUnknown
Structure length640 ft (195.1 m)
Longest span127 ft (38.7 m)
Deck width42 ft (12.8 m)
Roadway width38 ft (11.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic15,481 (2022)
Projected traffic19,809 by 2045
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Sbl Route 29 over Tye River built?

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

What condition is Sbl Route 29 over Tye 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 Sbl Route 29 over Tye River carry?

About 15,481 vehicles per day (2022 count), of which roughly 1% are trucks.

How long is Sbl Route 29 over Tye River?

The structure is 640 ft (195.1 m) long with a longest span of 127 ft (38.7 m) and a deck 42 ft wide.

Who owns Sbl Route 29 over Tye River?

It is owned by the State Highway Agency.