US Bridges

County Route 4 over Duncan Branch

Fair

Summers County, West Virginia · 0.01 Miles E. of CR.44/3 · Structure no. 00000000045A086

Built
2005
20 years old
Condition
Fair
inspected April 2023
Type
Culvert
Concrete
Length
29 ft
1 main span
Daily traffic
250
2019 count
Owner
State
State Highway Agency

About this bridge

County Route 4 over Duncan Branch is a concrete culvert carrying County Route 4 over Duncan Branch in Summers County, West Virginia. It was built in 2005, so it is 20 years old, younger than the West Virginia average of 44.7 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 250 vehicles a day, roughly 5% of them trucks, projected to reach 315 by 2039. The structure is 29 ft (8.7 m) long. If it were closed, the detour would be 6.8 mi (11 km).

Location

Open in Google Maps
CarriesCounty Route 4
CrossesDuncan Branch
Location0.01 Miles E. of CR.44/3
RouteCounty Highway 400
CountySummers County
StateWest Virginia
Coordinates37.80322, -80.81102
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 protection8 Very GoodNo problems noted.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating98 US tons
Inventory rating45 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHS 25 or greater
Structure length29 ft (8.7 m)
Longest span20 ft (6.2 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic250 (2019)
Projected traffic315 by 2039
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 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 County Route 4 over Duncan Branch built?

It was built in 2005, making it 20 years old in 2025.

What condition is County Route 4 over Duncan Branch 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 April 2023.

How much traffic does County Route 4 over Duncan Branch carry?

About 250 vehicles per day (2019 count), of which roughly 5% are trucks.

How long is County Route 4 over Duncan Branch?

The structure is 29 ft (8.7 m) long with a longest span of 20 ft (6.2 m).

Who owns County Route 4 over Duncan Branch?

It is owned by the State Highway Agency.