US Bridges

Clark CR 8 Z-G over South Boat Ditch

PoorPosted for load

Clark County, Arkansas · 1.1 MI S JCT CO RD 76 · Structure no. 000000000011042

Built
1928
97 years old
Condition
Poor
inspected June 2024
Type
Truss - Thru
Steel
Length
206 ft
1 main span
Daily traffic
69
1987 count
Owner
County
County Highway Agency

About this bridge

Clark CR 8 Z-G over South Boat Ditch is a steel truss - thru carrying Clark CR 8 Z-G over South Boat Ditch in Clark County, Arkansas. It was built in 1928, so it is 97 years old, older than the Arkansas average of 45.1 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 69 vehicles a day, roughly 1% of them trucks, projected to reach 83 by 2007. The structure is 206 ft (62.8 m) long and 16 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesClark CR 8 Z-G
CrossesSouth Boat Ditch
Location1.1 MI S JCT CO RD 76
RouteCounty Highway 8
Coordinates33.98441, -93.13675
Functional classRural Local

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 inspectionJune 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation2: Basically intolerable, requiring high priority of replacement
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating10 US tons
Inventory rating6 US tons

Structure

Structure typeTruss - Thru
MaterialSteel
DeckWood or timber
Main spans1 (+2 approach)
Design loadH 15
Structure length206 ft (62.8 m)
Longest span101 ft (30.8 m)
Deck width16 ft (4.9 m)
Roadway width14 ft (4.3 m)
Vertical clearance over deck15 ft (4.5 m)

Traffic and service

Average daily traffic69 (1987)
Projected traffic83 by 2007
Trucks1%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusEligible for the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$472,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Clark CR 8 Z-G over South Boat Ditch built?

It was built in 1928, making it 97 years old in 2025.

What condition is Clark CR 8 Z-G over South Boat Ditch 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 June 2024.

How much traffic does Clark CR 8 Z-G over South Boat Ditch carry?

About 69 vehicles per day (1987 count), of which roughly 1% are trucks.

How long is Clark CR 8 Z-G over South Boat Ditch?

The structure is 206 ft (62.8 m) long with a longest span of 101 ft (30.8 m) and a deck 16 ft wide.

Who owns Clark CR 8 Z-G over South Boat Ditch?

It is owned by the County Highway Agency.