US Bridges

Colony Road over Route 29 Nbl&sbl

Good

Amherst County, Virginia · 2.10-RT 622/.45-ENDSTMAIN · Structure no. 000000000025927

Built
2003
22 years old
Condition
Good
inspected May 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
243 ft
2 main spans
Daily traffic
9,396
2022 count
Owner
State
State Highway Agency

About this bridge

Colony Road over Route 29 Nbl&sbl is a steel stringer/multi-beam or girder carrying Colony Road over Route 29 Nbl&sbl in Amherst County, Virginia. It was built in 2003, so it is 22 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 9,396 vehicles a day, roughly 1% of them trucks, projected to reach 13,718 by 2042. The structure is 243 ft (74.1 m) long and 47 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesColony Road
CrossesRoute 29 Nbl&sbl
Location2.10-RT 622/.45-ENDSTMAIN
RouteState Highway 210
Coordinates37.40787, -79.08463
Functional classUrban Minor Arterial

Condition and inspection

Good

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60.6 US tons
Inventory rating46.3 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20 + Mod
Structure length243 ft (74.1 m)
Longest span128 ft (39 m)
Deck width47 ft (14.4 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic9,396 (2022)
Projected traffic13,718 by 2042
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed3.7 mi (6 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 proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Colony Road over Route 29 Nbl&sbl built?

It was built in 2003, making it 22 years old in 2025.

What condition is Colony Road over Route 29 Nbl&sbl 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 May 2024.

How much traffic does Colony Road over Route 29 Nbl&sbl carry?

About 9,396 vehicles per day (2022 count), of which roughly 1% are trucks.

How long is Colony Road over Route 29 Nbl&sbl?

The structure is 243 ft (74.1 m) long with a longest span of 128 ft (39 m) and a deck 47 ft wide.

Who owns Colony Road over Route 29 Nbl&sbl?

It is owned by the State Highway Agency.