US Bridges

Boundary Line Lane over Mill Creek

Fair

Rockbridge County, Virginia · 0.01 to 11 & 0.21 to End · Structure no. 000000000031658

Built
1932
93 years old
Condition
Fair
inspected February 2024
Type
Culvert
Concrete
Length
25 ft
3 main spans
Daily traffic
50
2017 count
Owner
State
State Highway Agency

About this bridge

Boundary Line Lane over Mill Creek is a concrete culvert carrying Boundary Line Lane over Mill Creek in Rockbridge 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 5 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 50 vehicles a day, projected to reach 57 by 2042. The structure is 25 ft (7.6 m) long and 30 ft wide. If it were closed, the detour would be 198.8 mi (320 km).

CarriesBoundary Line Lane
CrossesMill Creek
Location0.01 to 11 & 0.21 to End
RouteCounty Highway 1025
Coordinates37.83878, -79.37386
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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating36 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadHS 20 + Mod
Structure length25 ft (7.6 m)
Longest span8 ft (2.4 m)
Deck width30 ft (9.1 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deck99 ft (30.2 m)

Traffic and service

Average daily traffic50 (2017)
Projected traffic57 by 2042
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed198.8 mi (320 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 Boundary Line Lane over Mill Creek built?

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

What condition is Boundary Line Lane over Mill 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 Boundary Line Lane over Mill Creek carry?

About 50 vehicles per day (2017 count).

How long is Boundary Line Lane over Mill Creek?

The structure is 25 ft (7.6 m) long with a longest span of 8 ft (2.4 m) and a deck 30 ft wide.

Who owns Boundary Line Lane over Mill Creek?

It is owned by the State Highway Agency.