US Bridges

CR-518/Z-K/L-5.56 over Cypress Bayou

Poor

Phillips County, Arkansas · 2.6 Miles West JCT CR 533 · Structure no. 000000000004450

Built
1984
41 years old
Condition
Poor
inspected December 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
210 ft
7 main spans
Daily traffic
455
2018 count
Owner
County
County Highway Agency

About this bridge

CR-518/Z-K/L-5.56 over Cypress Bayou is a steel stringer/multi-beam or girder carrying CR-518/Z-K/L-5.56 over Cypress Bayou in Phillips County, Arkansas. It was built in 1984, so it is 41 years old, younger 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.

It carries about 455 vehicles a day, roughly 1% of them trucks, projected to reach 81 by 2007. The structure is 210 ft (64 m) long and 16 ft wide. If it were closed, the detour would be 19.9 mi (32 km).

Location

Open in Google Maps
CarriesCR-518/Z-K/L-5.56
CrossesCypress Bayou
Location2.6 Miles West JCT CR 533
RouteCounty Highway 518
CountyPhillips County
StateArkansas
Coordinates34.23591, -91.04357
Functional classRural Minor 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.
Superstructure7 GoodSome minor problems.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating44 US tons
Inventory rating27 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans7
Design loadH 20
Structure length210 ft (64 m)
Longest span30 ft (9.1 m)
Deck width16 ft (4.8 m)
Roadway width14 ft (4.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic455 (2018)
Projected traffic81 by 2007
Trucks1%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed19.9 mi (32 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-518/Z-K/L-5.56 over Cypress Bayou built?

It was built in 1984, making it 41 years old in 2025.

What condition is CR-518/Z-K/L-5.56 over Cypress Bayou 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 December 2023.

How much traffic does CR-518/Z-K/L-5.56 over Cypress Bayou carry?

About 455 vehicles per day (2018 count), of which roughly 1% are trucks.

How long is CR-518/Z-K/L-5.56 over Cypress Bayou?

The structure is 210 ft (64 m) long with a longest span of 30 ft (9.1 m) and a deck 16 ft wide.

Who owns CR-518/Z-K/L-5.56 over Cypress Bayou?

It is owned by the County Highway Agency.