US Bridges

SH-149/SEC-2/L4.06 over Blackfish Bayou

Good

St. Francis County, Arkansas · 4.06 MI North JCT SH 50 · Structure no. 000000000005785

Built
1979
46 years old
Condition
Good
inspected February 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
222 ft
5 main spans
Daily traffic
270
2018 count
Owner
State
State Highway Agency

About this bridge

SH-149/SEC-2/L4.06 over Blackfish Bayou is a steel stringer/multi-beam or girder carrying SH-149/SEC-2/L4.06 over Blackfish Bayou in St. Francis County, Arkansas. It was built in 1979, so it is 46 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 270 vehicles a day, roughly 1% of them trucks, projected to reach 290 by 2028. The structure is 222 ft (67.8 m) long and 31 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

Location

Open in Google Maps
CarriesSH-149/SEC-2/L4.06
CrossesBlackfish Bayou
Location4.06 MI North JCT SH 50
RouteState Highway 149
CountySt. Francis County
StateArkansas
Coordinates35.08712, -90.49005
Functional classRural Major Collector

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 protection7 GoodSome minor problems.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating36 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans5
Design loadHS 20
Structure length222 ft (67.8 m)
Longest span44 ft (13.4 m)
Deck width31 ft (9.4 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic270 (2018)
Projected traffic290 by 2028
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was SH-149/SEC-2/L4.06 over Blackfish Bayou built?

It was built in 1979, making it 46 years old in 2025.

What condition is SH-149/SEC-2/L4.06 over Blackfish 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 February 2024.

How much traffic does SH-149/SEC-2/L4.06 over Blackfish Bayou carry?

About 270 vehicles per day (2018 count), of which roughly 1% are trucks.

How long is SH-149/SEC-2/L4.06 over Blackfish Bayou?

The structure is 222 ft (67.8 m) long with a longest span of 44 ft (13.4 m) and a deck 31 ft wide.

Who owns SH-149/SEC-2/L4.06 over Blackfish Bayou?

It is owned by the State Highway Agency.