US Bridges

US 70 Log 7.38 over Bayou Two Prairie

Fair

Lonoke County, Arkansas · 1.2 MI W of Carlisle · Structure no. 000000000001468

Built
1931
94 years old
Condition
Fair
inspected September 2023
Type
Tee Beam
Concrete
Length
103 ft
3 main spans
Daily traffic
3,100
2018 count
Owner
State
State Highway Agency

About this bridge

US 70 Log 7.38 over Bayou Two Prairie is a concrete tee beam carrying US 70 Log 7.38 over Bayou Two Prairie in Lonoke County, Arkansas. It was built in 1931, so it is 94 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 3,100 vehicles a day, roughly 1% of them trucks, projected to reach 4,143 by 2028. The structure is 103 ft (31.4 m) long and 30 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesUS 70 Log 7.38
CrossesBayou Two Prairie
Location1.2 MI W of Carlisle
RouteU.S. Route 70
CountyLonoke County
StateArkansas
Coordinates34.77906, -91.77081
Functional classRural Major Collector

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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionSeptember 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 geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating44 US tons
Inventory rating27 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadH 15
Structure length103 ft (31.4 m)
Longest span34 ft (10.4 m)
Deck width30 ft (9.2 m)
Roadway width27 ft (8.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,100 (2018)
Projected traffic4,143 by 2028
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$374,000
NavigationNo navigation control on waterway

Frequently asked questions

When was US 70 Log 7.38 over Bayou Two Prairie built?

It was built in 1931, making it 94 years old in 2025.

What condition is US 70 Log 7.38 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 September 2023.

How much traffic does US 70 Log 7.38 over Bayou Two Prairie carry?

About 3,100 vehicles per day (2018 count), of which roughly 1% are trucks.

How long is US 70 Log 7.38 over Bayou Two Prairie?

The structure is 103 ft (31.4 m) long with a longest span of 34 ft (10.4 m) and a deck 30 ft wide.

Who owns US 70 Log 7.38 over Bayou Two Prairie?

It is owned by the State Highway Agency.