US Bridges

Old Chatham Hill R over N Fork Holston River

Fair

Smyth County, Virginia · 1.19 FR R610 &.01 to R624 · Structure no. 000000000017682

Built
1932
93 years old, rebuilt 1999
Condition
Fair
inspected April 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
102 ft
1 main span
Daily traffic
36
2022 count
Owner
State
State Highway Agency

About this bridge

Old Chatham Hill R over N Fork Holston River is a steel stringer/multi-beam or girder carrying Old Chatham Hill R over N Fork Holston River in Smyth County, Virginia. It was built in 1932 and reconstructed in 1999, 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 6 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 36 vehicles a day, projected to reach 40 by 2045. The structure is 102 ft (31.1 m) long and 24 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesOld Chatham Hill R
CrossesN Fork Holston River
Location1.19 FR R610 &.01 to R624
RouteCounty Highway 687
Coordinates36.95526, -81.52339
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating64 US tons
Inventory rating49.1 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length102 ft (31.1 m)
Longest span96 ft (29.4 m)
Deck width24 ft (7.3 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic36 (2022)
Projected traffic40 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 proposedReplacement because of relocation of road
Estimated improvement cost$273 million
NavigationNo navigation control on waterway

Frequently asked questions

When was Old Chatham Hill R over N Fork Holston River built?

It was built in 1932, making it 93 years old in 2025. It was reconstructed in 1999.

What condition is Old Chatham Hill R over N Fork Holston 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 April 2023.

How much traffic does Old Chatham Hill R over N Fork Holston River carry?

About 36 vehicles per day (2022 count).

How long is Old Chatham Hill R over N Fork Holston River?

The structure is 102 ft (31.1 m) long with a longest span of 96 ft (29.4 m) and a deck 24 ft wide.

Who owns Old Chatham Hill R over N Fork Holston River?

It is owned by the State Highway Agency.