US Bridges

CR-503/Z-C/L-2.93 over Blackfish Bayou

FairPosted for load

St. Francis County, Arkansas · 2.87 MI E CR 503 & SH 75 · Structure no. 000000000023052

Built
2006
19 years old
Condition
Fair
inspected January 2025
Type
Other
Steel
Length
89 ft
1 main span
Daily traffic
30
2018 count
Owner
County
County Highway Agency

About this bridge

CR-503/Z-C/L-2.93 over Blackfish Bayou is a steel other carrying CR-503/Z-C/L-2.93 over Blackfish Bayou in St. Francis County, Arkansas. It was built in 2006, so it is 19 years old, younger than the Arkansas average of 45.1 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. Its operating status is: posted for load restriction.

It carries about 30 vehicles a day, roughly 1% of them trucks, projected to reach 50 by 2007. The structure is 89 ft (27.1 m) long and 18 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

Location

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CarriesCR-503/Z-C/L-2.93
CrossesBlackfish Bayou
Location2.87 MI E CR 503 & SH 75
RouteCounty Highway 503
CountySt. Francis County
StateArkansas
Coordinates35.06638, -90.57122
Functional classRural Minor 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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
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 inspectionJanuary 2025
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating21.1 US tons
Inventory rating13 US tons

Structure

Structure typeOther
MaterialSteel
DeckSteel plate
Main spans1
Design loadUnknown
Structure length89 ft (27.1 m)
Longest span81 ft (24.7 m)
Deck width18 ft (5.4 m)
Roadway width17 ft (5.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic30 (2018)
Projected traffic50 by 2007
Trucks1%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was CR-503/Z-C/L-2.93 over Blackfish Bayou built?

It was built in 2006, making it 19 years old in 2025.

What condition is CR-503/Z-C/L-2.93 over Blackfish Bayou 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 January 2025.

How much traffic does CR-503/Z-C/L-2.93 over Blackfish Bayou carry?

About 30 vehicles per day (2018 count), of which roughly 1% are trucks.

How long is CR-503/Z-C/L-2.93 over Blackfish Bayou?

The structure is 89 ft (27.1 m) long with a longest span of 81 ft (24.7 m) and a deck 18 ft wide.

Who owns CR-503/Z-C/L-2.93 over Blackfish Bayou?

It is owned by the County Highway Agency.