US Bridges

County Route 1 over Birch River

PoorPosted for load

Nicholas County, West Virginia · 0.64 Miles W. of CR 1/6 · Structure no. 00000000034A001

Built
1950
75 years old, rebuilt 1987
Condition
Poor
inspected February 2023
Type
Truss - Thru
Steel
Length
77 ft
1 main span
Daily traffic
691
2019 count
Owner
State
State Highway Agency

About this bridge

County Route 1 over Birch River is a steel truss - thru carrying County Route 1 over Birch River in Nicholas County, West Virginia. It was built in 1950 and reconstructed in 1987, so it is 75 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 poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.

It carries about 691 vehicles a day, roughly 4% of them trucks, projected to reach 843 by 2039. The structure is 77 ft (23.4 m) long and 19 ft wide. If it were closed, the detour would be 14.9 mi (24 km).

CarriesCounty Route 1
CrossesBirch River
Location0.64 Miles W. of CR 1/6
RouteCounty Highway 100
Coordinates38.51695, -80.78245
Functional classRural Major Collector

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionFebruary 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating39 US tons
Inventory rating24 US tons

Structure

Structure typeTruss - Thru
MaterialSteel
DeckWood or timber
Main spans1
Design loadUnknown
Structure length77 ft (23.4 m)
Longest span73 ft (22.1 m)
Deck width19 ft (5.8 m)
Roadway width19 ft (5.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic691 (2019)
Projected traffic843 by 2039
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed14.9 mi (24 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$1.2 million (2023 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was County Route 1 over Birch River built?

It was built in 1950, making it 75 years old in 2025. It was reconstructed in 1987.

What condition is County Route 1 over Birch River in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in February 2023.

How much traffic does County Route 1 over Birch River carry?

About 691 vehicles per day (2019 count), of which roughly 4% are trucks.

How long is County Route 1 over Birch River?

The structure is 77 ft (23.4 m) long with a longest span of 73 ft (22.1 m) and a deck 19 ft wide.

Who owns County Route 1 over Birch River?

It is owned by the State Highway Agency.