US Bridges

Merriman RD./613 over Branch Back Creek

Good

Roanoke County, Virginia · 0.06-RT688; 1.10-FRANKLCO · Structure no. 000000000027770

Built
2003
22 years old
Condition
Good
inspected January 2024
Type
Culvert
Steel
Length
31 ft
3 main spans
Daily traffic
1,561
2022 count
Owner
State
State Highway Agency

About this bridge

Merriman RD./613 over Branch Back Creek is a steel culvert carrying Merriman RD./613 over Branch Back Creek in Roanoke 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 1,561 vehicles a day, projected to reach 2,279 by 2042. The structure is 31 ft (9.4 m) long. If it were closed, the detour would be 5 mi (8 km).

CarriesMerriman RD./613
CrossesBranch Back Creek
Location0.06-RT688; 1.10-FRANKLCO
RouteCounty Highway 613
Coordinates37.18172, -80.00106
Functional classRural Major Collector

Condition and inspection

Good

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

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating99 US tons
Inventory rating98 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans3
Design loadHS 20
Structure length31 ft (9.4 m)
Longest span6 ft (1.8 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,561 (2022)
Projected traffic2,279 by 2042
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 proposedOther structural work, including hydraulic replacements
Estimated improvement cost$1 million
NavigationNo navigation control on waterway

Frequently asked questions

When was Merriman RD./613 over Branch Back Creek built?

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

What condition is Merriman RD./613 over Branch Back Creek 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 January 2024.

How much traffic does Merriman RD./613 over Branch Back Creek carry?

About 1,561 vehicles per day (2022 count).

How long is Merriman RD./613 over Branch Back Creek?

The structure is 31 ft (9.4 m) long with a longest span of 6 ft (1.8 m).

Who owns Merriman RD./613 over Branch Back Creek?

It is owned by the State Highway Agency.