US Bridges

Preston CO Rt 12 over I-68

Fair

Preston County, West Virginia · 0.17 MI East CO Rt 12/2 · Structure no. 00000000039A037

Built
1973
52 years old
Condition
Fair
inspected June 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
323 ft
2 main spans
Daily traffic
450
2022 count
Owner
State
State Highway Agency

About this bridge

Preston CO Rt 12 over I-68 is a steel continuous stringer/multi-beam or girder carrying Preston CO Rt 12 over I-68 in Preston County, West Virginia. It was built in 1973, so it is 52 years old, older 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 450 vehicles a day, roughly 7% of them trucks, projected to reach 635 by 2041. The structure is 323 ft (98.3 m) long and 37 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

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CarriesPreston CO Rt 12
CrossesI-68
Location0.17 MI East CO Rt 12/2
RouteCounty Highway 1200
CountyPreston County
StateWest Virginia
Coordinates39.66288, -79.48916
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating65 US tons
Inventory rating38 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2 (+2 approach)
Design loadHS 20
Structure length323 ft (98.3 m)
Longest span100 ft (30.5 m)
Deck width37 ft (11.2 m)
Roadway width32 ft (9.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic450 (2022)
Projected traffic635 by 2041
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed3.1 mi (5 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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Preston CO Rt 12 over I-68 built?

It was built in 1973, making it 52 years old in 2025.

What condition is Preston CO Rt 12 over I-68 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 June 2023.

How much traffic does Preston CO Rt 12 over I-68 carry?

About 450 vehicles per day (2022 count), of which roughly 7% are trucks.

How long is Preston CO Rt 12 over I-68?

The structure is 323 ft (98.3 m) long with a longest span of 100 ft (30.5 m) and a deck 37 ft wide.

Who owns Preston CO Rt 12 over I-68?

It is owned by the State Highway Agency.