US Bridges

County Road 4 over Slab Fork Creek

Fair

Lawrence County, Ohio · 7.67 MI N of S.R. 93 · Structure no. 4430654

Built
1900
125 years old, rebuilt 1991
Condition
Fair
inspected May 2024
Type
Box Beam or Girders - Multiple
Concrete
Length
24 ft
1 main span
Daily traffic
479
2015 count
Owner
County
County Highway Agency

About this bridge

County Road 4 over Slab Fork Creek is a concrete box beam or girders - multiple carrying County Road 4 over Slab Fork Creek in Lawrence County, Ohio. It was built in 1900 and reconstructed in 1991, so it is 125 years old, older than the Ohio average of 47.3 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 479 vehicles a day, roughly 8% of them trucks, projected to reach 665 by 2035. The structure is 24 ft (7.3 m) long and 21 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

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CarriesCounty Road 4
CrossesSlab Fork Creek
Location7.67 MI N of S.R. 93
RouteCounty Highway C0004
CountyLawrence County
StateOhio
Coordinates38.67545, -82.56057
Functional classRural Major Collector

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionMay 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating46.4 US tons
Inventory rating35.7 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length24 ft (7.3 m)
Longest span21 ft (6.4 m)
Deck width21 ft (6.4 m)
Roadway width21 ft (6.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic479 (2015)
Projected traffic665 by 2035
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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$19,000
NavigationNo navigation control on waterway

Frequently asked questions

When was County Road 4 over Slab Fork Creek built?

It was built in 1900, making it 125 years old in 2025. It was reconstructed in 1991.

What condition is County Road 4 over Slab Fork Creek 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 May 2024.

How much traffic does County Road 4 over Slab Fork Creek carry?

About 479 vehicles per day (2015 count), of which roughly 8% are trucks.

How long is County Road 4 over Slab Fork Creek?

The structure is 24 ft (7.3 m) long with a longest span of 21 ft (6.4 m) and a deck 21 ft wide.

Who owns County Road 4 over Slab Fork Creek?

It is owned by the County Highway Agency.