US Bridges

Kanawha Trail over Dunlap Creek

Good

Alleghany County, Virginia · 0.72 Rt 650 - 0.98 Rt 604 · Structure no. 000000000027777

Built
2003
22 years old
Condition
Good
inspected November 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
140 ft
2 main spans
Daily traffic
635
2022 count
Owner
State
State Highway Agency

About this bridge

Kanawha Trail over Dunlap Creek is a steel continuous stringer/multi-beam or girder carrying Kanawha Trail over Dunlap Creek in Alleghany County, Virginia. It was built in 2003, so it is 22 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 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 635 vehicles a day, roughly 1% of them trucks, projected to reach 708 by 2042. The structure is 140 ft (42.7 m) long and 42 ft wide. If it were closed, the detour would be 32.9 mi (53 km).

CarriesKanawha Trail
CrossesDunlap Creek
Location0.72 Rt 650 - 0.98 Rt 604
RouteState Highway 311
Coordinates37.68891, -80.22356
Functional classRural Major Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry8: Equal to present desirable criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating89.9 US tons
Inventory rating69 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20 + Mod
Structure length140 ft (42.7 m)
Longest span70 ft (21.3 m)
Deck width42 ft (12.9 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic635 (2022)
Projected traffic708 by 2042
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed32.9 mi (53 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 Kanawha Trail over Dunlap Creek built?

It was built in 2003, making it 22 years old in 2025.

What condition is Kanawha Trail over Dunlap Creek 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 November 2023.

How much traffic does Kanawha Trail over Dunlap Creek carry?

About 635 vehicles per day (2022 count), of which roughly 1% are trucks.

How long is Kanawha Trail over Dunlap Creek?

The structure is 140 ft (42.7 m) long with a longest span of 70 ft (21.3 m) and a deck 42 ft wide.

Who owns Kanawha Trail over Dunlap Creek?

It is owned by the State Highway Agency.