US Bridges

Monongalia CO Rt 9 over South Fork

Fair

Monongalia County, West Virginia · 0.01 MI North CO Rt 9/3 · Structure no. 00000000031A265

Built
1952
73 years old
Condition
Fair
inspected March 2023
Type
Culvert
Steel
Length
21 ft
1 main span
Daily traffic
1,800
2019 count
Owner
State
State Highway Agency

About this bridge

Monongalia CO Rt 9 over South Fork is a steel culvert carrying Monongalia CO Rt 9 over South Fork in Monongalia County, West Virginia. It was built in 1952, so it is 73 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 5 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 1,800 vehicles a day, roughly 6% of them trucks, projected to reach 2,790 by 2041. The structure is 21 ft (6.5 m) long.

CarriesMonongalia CO Rt 9
CrossesSouth Fork
Location0.01 MI North CO Rt 9/3
RouteCounty Highway 900
Coordinates39.63099, -80.35784
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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59 US tons
Inventory rating27 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans1
Design loadUnknown
Structure length21 ft (6.5 m)
Longest span21 ft (6.5 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,800 (2019)
Projected traffic2,790 by 2041
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$374,000 (2023 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Monongalia CO Rt 9 over South Fork built?

It was built in 1952, making it 73 years old in 2025.

What condition is Monongalia CO Rt 9 over South Fork 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 March 2023.

How much traffic does Monongalia CO Rt 9 over South Fork carry?

About 1,800 vehicles per day (2019 count), of which roughly 6% are trucks.

How long is Monongalia CO Rt 9 over South Fork?

The structure is 21 ft (6.5 m) long with a longest span of 21 ft (6.5 m).

Who owns Monongalia CO Rt 9 over South Fork?

It is owned by the State Highway Agency.