US Bridges

Timber Ridge / 635 over Catawba Creek

Fair

Botetourt County, Virginia · 0.90-220; 0.02-RT 730 · Structure no. 000000000003419

Built
1979
46 years old
Condition
Fair
inspected January 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
303 ft
6 main spans
Daily traffic
536
2022 count
Owner
State
State Highway Agency

About this bridge

Timber Ridge / 635 over Catawba Creek is a steel stringer/multi-beam or girder carrying Timber Ridge / 635 over Catawba Creek in Botetourt County, Virginia. It was built in 1979, so it is 46 years old, younger 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 536 vehicles a day, roughly 1% of them trucks, projected to reach 598 by 2042. The structure is 303 ft (92.4 m) long and 35 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Location

Open in Google Maps
CarriesTimber Ridge / 635
CrossesCatawba Creek
Location0.90-220; 0.02-RT 730
RouteCounty Highway 635
CountyBotetourt County
StateVirginia
Coordinates37.54991, -79.83401
Functional classRural Minor Collector

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.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating72 US tons
Inventory rating55 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans6
Design loadHS 20 + Mod
Structure length303 ft (92.4 m)
Longest span52 ft (15.8 m)
Deck width35 ft (10.7 m)
Roadway width31 ft (9.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic536 (2022)
Projected traffic598 by 2042
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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$155.2 million (2020 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Timber Ridge / 635 over Catawba Creek built?

It was built in 1979, making it 46 years old in 2025.

What condition is Timber Ridge / 635 over Catawba Creek 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 January 2024.

How much traffic does Timber Ridge / 635 over Catawba Creek carry?

About 536 vehicles per day (2022 count), of which roughly 1% are trucks.

How long is Timber Ridge / 635 over Catawba Creek?

The structure is 303 ft (92.4 m) long with a longest span of 52 ft (15.8 m) and a deck 35 ft wide.

Who owns Timber Ridge / 635 over Catawba Creek?

It is owned by the State Highway Agency.