US Bridges

US 460 over I-77

Fair

Mercer County, West Virginia · 0.17 Mile E of CO 460/7 · Structure no. 00000000028A314

Built
2007
18 years old
Condition
Fair
inspected December 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
251 ft
2 main spans
Daily traffic
12,400
2022 count
Owner
State
State Highway Agency

About this bridge

US 460 over I-77 is a steel continuous stringer/multi-beam or girder carrying US 460 over I-77 in Mercer County, West Virginia. It was built in 2007, so it is 18 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 12,400 vehicles a day, roughly 9% of them trucks, projected to reach 13,020 by 2042. The structure is 251 ft (76.4 m) long and 115 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesUS 460
CrossesI-77
Location0.17 Mile E of CO 460/7
RouteU.S. Route 46000
CountyMercer County
StateWest Virginia
Coordinates37.36315, -81.04819
Functional classUrban Other Principal Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48 US tons
Inventory rating37 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHL 93
Structure length251 ft (76.4 m)
Longest span122 ft (37.3 m)
Deck width115 ft (34.9 m)
Roadway width108 ft (32.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic12,400 (2022)
Projected traffic13,020 by 2042
Trucks9%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was US 460 over I-77 built?

It was built in 2007, making it 18 years old in 2025.

What condition is US 460 over I-77 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 December 2023.

How much traffic does US 460 over I-77 carry?

About 12,400 vehicles per day (2022 count), of which roughly 9% are trucks.

How long is US 460 over I-77?

The structure is 251 ft (76.4 m) long with a longest span of 122 ft (37.3 m) and a deck 115 ft wide.

Who owns US 460 over I-77?

It is owned by the State Highway Agency.