US Bridges

SH 160 - 01- 8.84 over Poston Bayou

Good

Lafayette County, Arkansas · 0.3 MI E Gin City · Structure no. 000000000006661

Built
1998
27 years old
Condition
Good
inspected September 2022
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
137 ft
4 main spans
Daily traffic
931
2018 count
Owner
State
State Highway Agency

About this bridge

SH 160 - 01- 8.84 over Poston Bayou is a steel continuous stringer/multi-beam or girder carrying SH 160 - 01- 8.84 over Poston Bayou in Lafayette County, Arkansas. It was built in 1998, so it is 27 years old, younger 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 931 vehicles a day, roughly 10% of them trucks, projected to reach 2,052 by 2028. The structure is 137 ft (41.8 m) long and 32 ft wide. If it were closed, the detour would be 19.9 mi (32 km).

Location

Open in Google Maps
CarriesSH 160 - 01- 8.84
CrossesPoston Bayou
Location0.3 MI E Gin City
RouteState Highway 160
CountyLafayette County
StateArkansas
Coordinates33.10671, -93.71584
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.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionSeptember 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation8: Equal to present desirable criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
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 Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadUnknown
Structure length137 ft (41.8 m)
Longest span31 ft (9.4 m)
Deck width32 ft (9.9 m)
Roadway width30 ft (9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic931 (2018)
Projected traffic2,052 by 2028
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed19.9 mi (32 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 160 - 01- 8.84 over Poston Bayou built?

It was built in 1998, making it 27 years old in 2025.

What condition is SH 160 - 01- 8.84 over Poston 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 September 2022.

How much traffic does SH 160 - 01- 8.84 over Poston Bayou carry?

About 931 vehicles per day (2018 count), of which roughly 10% are trucks.

How long is SH 160 - 01- 8.84 over Poston Bayou?

The structure is 137 ft (41.8 m) long with a longest span of 31 ft (9.4 m) and a deck 32 ft wide.

Who owns SH 160 - 01- 8.84 over Poston Bayou?

It is owned by the State Highway Agency.