US Bridges

SH 31LOG 1.33 over Bayou Two Prairie

Fair

Lonoke County, Arkansas · 0.3 MI So of I-40 · Structure no. 000000000005508

Built
1974
51 years old
Condition
Fair
inspected October 2023
Type
Slab
Concrete
Length
140 ft
4 main spans
Daily traffic
9,100
2018 count
Owner
State
State Highway Agency

About this bridge

SH 31LOG 1.33 over Bayou Two Prairie is a concrete slab carrying SH 31LOG 1.33 over Bayou Two Prairie in Lonoke County, Arkansas. It was built in 1974, so it is 51 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 9,100 vehicles a day, roughly 2% of them trucks, projected to reach 12,153 by 2028. The structure is 140 ft (42.7 m) long and 35 ft wide. If it were closed, the detour would be 14.3 mi (23 km).

Location

Open in Google Maps
CarriesSH 31LOG 1.33
CrossesBayou Two Prairie
Location0.3 MI So of I-40
RouteState Highway 31
CountyLonoke County
StateArkansas
Coordinates34.79948, -91.89003
Functional classRural Minor Arterial

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 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 alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating36 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length140 ft (42.7 m)
Longest span35 ft (10.7 m)
Deck width35 ft (10.6 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic9,100 (2018)
Projected traffic12,153 by 2028
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed14.3 mi (23 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 31LOG 1.33 over Bayou Two Prairie built?

It was built in 1974, making it 51 years old in 2025.

What condition is SH 31LOG 1.33 over Bayou Two Prairie 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 October 2023.

How much traffic does SH 31LOG 1.33 over Bayou Two Prairie carry?

About 9,100 vehicles per day (2018 count), of which roughly 2% are trucks.

How long is SH 31LOG 1.33 over Bayou Two Prairie?

The structure is 140 ft (42.7 m) long with a longest span of 35 ft (10.7 m) and a deck 35 ft wide.

Who owns SH 31LOG 1.33 over Bayou Two Prairie?

It is owned by the State Highway Agency.