US Bridges

Roanoke Road / 11 over Spring Branch

Fair

Montgomery County, Virginia · 0.02 Rt 636; 4.33 Rt 81. · Structure no. 000000000012128

Built
1932
93 years old
Condition
Fair
inspected December 2024
Type
Culvert
Concrete
Length
21 ft
2 main spans
Daily traffic
4,379
2022 count
Owner
State
State Highway Agency

About this bridge

Roanoke Road / 11 over Spring Branch is a concrete culvert carrying Roanoke Road / 11 over Spring Branch in Montgomery County, Virginia. It was built in 1932, 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 4,379 vehicles a day, projected to reach 4,434 by 2045. The structure is 21 ft (6.4 m) long. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesRoanoke Road / 11
CrossesSpring Branch
Location0.02 Rt 636; 4.33 Rt 81.
RouteU.S. Route 11
CountyMontgomery County
StateVirginia
Coordinates37.16512, -80.29217
Functional classRural Minor Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20
Structure length21 ft (6.4 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,379 (2022)
Projected traffic4,434 by 2045
Trucks0%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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$557 million (2018 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Roanoke Road / 11 over Spring Branch built?

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

What condition is Roanoke Road / 11 over Spring Branch 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 December 2024.

How much traffic does Roanoke Road / 11 over Spring Branch carry?

About 4,379 vehicles per day (2022 count).

How long is Roanoke Road / 11 over Spring Branch?

The structure is 21 ft (6.4 m) long with a longest span of 10 ft (3 m).

Who owns Roanoke Road / 11 over Spring Branch?

It is owned by the State Highway Agency.