US Bridges

Nida Lane over Mill Branch

PoorPosted for load

Alleghany County, Virginia · 0.10 to 611 & 0.08 to 18 · Structure no. 000000000001100

Built
1974
51 years old
Condition
Poor
inspected June 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
34 ft
1 main span
Daily traffic
35
2020 count
Owner
State
State Highway Agency

About this bridge

Nida Lane over Mill Branch is a steel stringer/multi-beam or girder carrying Nida Lane over Mill Branch in Alleghany County, Virginia. It was built in 1974, so it is 51 years old, older than the Virginia average of 50.7 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.

It carries about 35 vehicles a day, projected to reach 39 by 2045. The structure is 34 ft (10.4 m) long and 20 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesNida Lane
CrossesMill Branch
Location0.10 to 611 & 0.08 to 18
RouteCounty Highway 610
Coordinates37.66331, -80.11607
Functional classRural Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionJune 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating34 US tons
Inventory rating26 US tons

Structure

MaterialSteel
DeckWood or timber
Main spans1
Design loadHS 20 + Mod
Structure length34 ft (10.4 m)
Longest span34 ft (10.4 m)
Deck width20 ft (6.1 m)
Roadway width19 ft (5.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic35 (2020)
Projected traffic39 by 2045
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed123.7 mi (199 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$75 million
NavigationNo navigation control on waterway

Frequently asked questions

When was Nida Lane over Mill Branch built?

It was built in 1974, making it 51 years old in 2025.

What condition is Nida Lane over Mill Branch in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in June 2024.

How much traffic does Nida Lane over Mill Branch carry?

About 35 vehicles per day (2020 count).

How long is Nida Lane over Mill Branch?

The structure is 34 ft (10.4 m) long with a longest span of 34 ft (10.4 m) and a deck 20 ft wide.

Who owns Nida Lane over Mill Branch?

It is owned by the State Highway Agency.