US Bridges

I-30 WB Log 89.65 over Prairie Bayou

Fair

Hot Spring County, Arkansas · 8.35 MI SW of SH 270 · Structure no. 0000000000A3941

Built
1966
59 years old, rebuilt 2001
Condition
Fair
inspected July 2022
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
282 ft
5 main spans
Daily traffic
7,373
2018 count
Owner
State
State Highway Agency

About this bridge

I-30 WB Log 89.65 over Prairie Bayou is a steel continuous stringer/multi-beam or girder carrying I-30 WB Log 89.65 over Prairie Bayou in Hot Spring County, Arkansas. It was built in 1966 and reconstructed in 2001, so it is 59 years old, older than the Arkansas average of 45.1 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 7,373 vehicles a day, roughly 45% of them trucks, projected to reach 16,818 by 2028. The structure is 282 ft (86 m) long and 43 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesI-30 WB Log 89.65
CrossesPrairie Bayou
Location8.35 MI SW of SH 270
RouteInterstate 30
CountyHot Spring County
StateArkansas
Coordinates34.31703, -92.93487
Functional classRural Principal Arterial - Interstate

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJuly 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry7: Better than 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 Continuous
DeckConcrete, cast-in-place
Main spans5
Design loadHS 20 + Mod
Structure length282 ft (86 m)
Longest span56 ft (17.1 m)
Deck width43 ft (13 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,373 (2018)
Projected traffic16,818 by 2028
Trucks45%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$1.1 million
NavigationNo navigation control on waterway

Frequently asked questions

When was I-30 WB Log 89.65 over Prairie Bayou built?

It was built in 1966, making it 59 years old in 2025. It was reconstructed in 2001.

What condition is I-30 WB Log 89.65 over Prairie Bayou in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in July 2022.

How much traffic does I-30 WB Log 89.65 over Prairie Bayou carry?

About 7,373 vehicles per day (2018 count), of which roughly 45% are trucks.

How long is I-30 WB Log 89.65 over Prairie Bayou?

The structure is 282 ft (86 m) long with a longest span of 56 ft (17.1 m) and a deck 43 ft wide.

Who owns I-30 WB Log 89.65 over Prairie Bayou?

It is owned by the State Highway Agency.