US Bridges

Carson Mill RD over Stream

Good

Augusta County, Virginia · 0.29 Rt 850 - 1.27 Rt 604 · Structure no. 000000000002375

Built
1975
50 years old
Condition
Good
inspected August 2023
Type
Culvert
Steel
Length
35 ft
3 main spans
Daily traffic
38
2019 count
Owner
State
State Highway Agency

About this bridge

Carson Mill RD over Stream is a steel culvert carrying Carson Mill RD over Stream in Augusta County, Virginia. It was built in 1975, so it is 50 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 38 vehicles a day, projected to reach 43 by 2045. The structure is 35 ft (10.7 m) long. If it were closed, the detour would be 5 mi (8 km).

CarriesCarson Mill RD
CrossesStream
Location0.29 Rt 850 - 1.27 Rt 604
RouteCounty Highway 838
Coordinates37.96044, -79.24253
Functional classRural Local

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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert8 Very GoodNo problems noted.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating44 US tons
Inventory rating26 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans3
Design loadHS 20
Structure length35 ft (10.7 m)
Longest span5 ft (1.6 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic38 (2019)
Projected traffic43 by 2045
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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Carson Mill RD over Stream built?

It was built in 1975, making it 50 years old in 2025.

What condition is Carson Mill RD over Stream 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 August 2023.

How much traffic does Carson Mill RD over Stream carry?

About 38 vehicles per day (2019 count).

How long is Carson Mill RD over Stream?

The structure is 35 ft (10.7 m) long with a longest span of 5 ft (1.6 m).

Who owns Carson Mill RD over Stream?

It is owned by the State Highway Agency.