US Bridges

US 48 Ramp over Thorn Run

Good

Grant County, West Virginia · 0.09 MI W of CR 05 Sls · Structure no. 00000000012A100

Built
2009
16 years old
Condition
Good
inspected March 2021
Type
Culvert
Concrete
Length
29 ft
1 main span
Daily traffic
450
2019 count
Owner
State
State Highway Agency

About this bridge

US 48 Ramp over Thorn Run is a concrete culvert carrying US 48 Ramp over Thorn Run in Grant County, West Virginia. It was built in 2009, so it is 16 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 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 450 vehicles a day, roughly 12% of them trucks, projected to reach 540 by 2039. The structure is 29 ft (8.9 m) long. If it were closed, the detour would be 1.2 mi (2 km).

CarriesUS 48 Ramp
CrossesThorn Run
Location0.09 MI W of CR 05 Sls
RouteU.S. Route 48
Coordinates39.1425, -79.0759
Functional classRural Principal Arterial - Other

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 protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionMarch 2021
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating98 US tons
Inventory rating45 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHL 93
Structure length29 ft (8.9 m)
Longest span24 ft (7.3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic450 (2019)
Projected traffic540 by 2039
Trucks12%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes

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 US 48 Ramp over Thorn Run built?

It was built in 2009, making it 16 years old in 2025.

What condition is US 48 Ramp over Thorn Run 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 March 2021.

How much traffic does US 48 Ramp over Thorn Run carry?

About 450 vehicles per day (2019 count), of which roughly 12% are trucks.

How long is US 48 Ramp over Thorn Run?

The structure is 29 ft (8.9 m) long with a longest span of 24 ft (7.3 m).

Who owns US 48 Ramp over Thorn Run?

It is owned by the State Highway Agency.