US Bridges

S.H. 89 Log 8.39 over Bayou Two Prairie

Good

Lonoke County, Arkansas · Z6 MI So S.H. 236 · Structure no. 000000000006463

Built
1992
33 years old
Condition
Good
inspected July 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
302 ft
6 main spans
Daily traffic
6,000
2018 count
Owner
State
State Highway Agency

About this bridge

S.H. 89 Log 8.39 over Bayou Two Prairie is a steel stringer/multi-beam or girder carrying S.H. 89 Log 8.39 over Bayou Two Prairie in Lonoke County, Arkansas. It was built in 1992, so it is 33 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 6,000 vehicles a day, roughly 1% of them trucks, projected to reach 7,596 by 2027. The structure is 302 ft (92 m) long and 35 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Location

Open in Google Maps
CarriesS.H. 89 Log 8.39
CrossesBayou Two Prairie
LocationZ6 MI So S.H. 236
RouteState Highway 89
CountyLonoke County
StateArkansas
Coordinates34.85846, -91.98049
Functional classRural Principal Arterial - Other

Condition and inspection

Good

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

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating49.1 US tons
Inventory rating30 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans6
Design loadHS 20 + Mod
Structure length302 ft (92 m)
Longest span50 ft (15.2 m)
Deck width35 ft (10.6 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,000 (2018)
Projected traffic7,596 by 2027
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 S.H. 89 Log 8.39 over Bayou Two Prairie built?

It was built in 1992, making it 33 years old in 2025.

What condition is S.H. 89 Log 8.39 over Bayou Two Prairie 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 July 2023.

How much traffic does S.H. 89 Log 8.39 over Bayou Two Prairie carry?

About 6,000 vehicles per day (2018 count), of which roughly 1% are trucks.

How long is S.H. 89 Log 8.39 over Bayou Two Prairie?

The structure is 302 ft (92 m) long with a longest span of 50 ft (15.2 m) and a deck 35 ft wide.

Who owns S.H. 89 Log 8.39 over Bayou Two Prairie?

It is owned by the State Highway Agency.