US Bridges

Tilleys Bridge RD over S Fork Holston River

Good

Smyth County, Virginia · .22 TORT650 & .38 TORT657 · Structure no. 000000000031243

Built
2019
6 years old
Condition
Good
inspected September 2024
Type
Slab
Prestressed Concrete
Length
76 ft
1 main span
Daily traffic
211
2022 count
Owner
State
State Highway Agency

About this bridge

Tilleys Bridge RD over S Fork Holston River is a prestressed concrete slab carrying Tilleys Bridge RD over S Fork Holston River in Smyth County, Virginia. It was built in 2019, so it is 6 years old, younger than the Virginia average of 50.7 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 211 vehicles a day, projected to reach 235 by 2045. The structure is 76 ft (23.2 m) long and 20 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesTilleys Bridge RD
CrossesS Fork Holston River
Location.22 TORT650 & .38 TORT657
RouteCounty Highway 658
Coordinates36.77542, -81.57971
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating83 US tons
Inventory rating64 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHL 93
Structure length76 ft (23.2 m)
Longest span38 ft (11.6 m)
Deck width20 ft (6.1 m)
Roadway width19 ft (5.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic211 (2022)
Projected traffic235 by 2045
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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$153 million (2017 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Tilleys Bridge RD over S Fork Holston River built?

It was built in 2019, making it 6 years old in 2025.

What condition is Tilleys Bridge RD over S Fork Holston River in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in September 2024.

How much traffic does Tilleys Bridge RD over S Fork Holston River carry?

About 211 vehicles per day (2022 count).

How long is Tilleys Bridge RD over S Fork Holston River?

The structure is 76 ft (23.2 m) long with a longest span of 38 ft (11.6 m) and a deck 20 ft wide.

Who owns Tilleys Bridge RD over S Fork Holston River?

It is owned by the State Highway Agency.