US Bridges

Old Mill RD./752 over Back Creek

Fair

Roanoke County, Virginia · 0.0-RTE870; 0.29-RTE759 · Structure no. 000000000015103

Built
1978
47 years old
Condition
Fair
inspected February 2024
Type
Culvert
Steel
Length
27 ft
3 main spans
Daily traffic
452
2018 count
Owner
State
State Highway Agency

About this bridge

Old Mill RD./752 over Back Creek is a steel culvert carrying Old Mill RD./752 over Back Creek in Roanoke County, Virginia. It was built in 1978, so it is 47 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 452 vehicles a day, projected to reach 680 by 2042. The structure is 27 ft (8.2 m) long. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesOld Mill RD./752
CrossesBack Creek
Location0.0-RTE870; 0.29-RTE759
RouteCounty Highway 752
CountyRoanoke County
StateVirginia
Coordinates37.19506, -80.08225
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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating99 US tons
Inventory rating98 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans3
Design loadHS 20
Structure length27 ft (8.2 m)
Longest span8 ft (2.4 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic452 (2018)
Projected traffic680 by 2042
Trucks0%
Lanes on structure2
Traffic directionTwo-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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Old Mill RD./752 over Back Creek built?

It was built in 1978, making it 47 years old in 2025.

What condition is Old Mill RD./752 over Back 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 February 2024.

How much traffic does Old Mill RD./752 over Back Creek carry?

About 452 vehicles per day (2018 count).

How long is Old Mill RD./752 over Back Creek?

The structure is 27 ft (8.2 m) long with a longest span of 8 ft (2.4 m).

Who owns Old Mill RD./752 over Back Creek?

It is owned by the State Highway Agency.