US Bridges

CR-606/Z-B/L-3.53 over 15 Mile Bayou

Good

St. Francis County, Arkansas · 2.3 MI JCT CR 32 & SH149 · Structure no. 000000000004357

Built
1978
47 years old
Condition
Good
inspected April 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
282 ft
1 main span
Daily traffic
2
2018 count
Owner
County
County Highway Agency

About this bridge

CR-606/Z-B/L-3.53 over 15 Mile Bayou is a steel stringer/multi-beam or girder carrying CR-606/Z-B/L-3.53 over 15 Mile Bayou in St. Francis County, Arkansas. It was built in 1978, so it is 47 years old, older than the Arkansas average of 45.1 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 2 vehicles a day, roughly 1% of them trucks, projected to reach 48 by 2007. The structure is 282 ft (86 m) long and 27 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesCR-606/Z-B/L-3.53
Crosses15 Mile Bayou
Location2.3 MI JCT CR 32 & SH149
RouteCounty Highway 606
Coordinates34.99279, -90.48981
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating47 US tons
Inventory rating28 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1 (+5 approach)
Design loadH 15
Structure length282 ft (86 m)
Longest span80 ft (24.4 m)
Deck width27 ft (8.1 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2 (2018)
Projected traffic48 by 2007
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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-606/Z-B/L-3.53 over 15 Mile Bayou built?

It was built in 1978, making it 47 years old in 2025.

What condition is CR-606/Z-B/L-3.53 over 15 Mile Bayou in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in April 2023.

How much traffic does CR-606/Z-B/L-3.53 over 15 Mile Bayou carry?

About 2 vehicles per day (2018 count), of which roughly 1% are trucks.

How long is CR-606/Z-B/L-3.53 over 15 Mile Bayou?

The structure is 282 ft (86 m) long with a longest span of 80 ft (24.4 m) and a deck 27 ft wide.

Who owns CR-606/Z-B/L-3.53 over 15 Mile Bayou?

It is owned by the County Highway Agency.