US Bridges

CR71-GRAHAM Rd. over Two Prairie Bayou

Fair

Lonoke County, Arkansas · 3.1 MI West SH 89 · Structure no. 000000000004586

Built
1987
38 years old
Condition
Fair
inspected September 2022
Type
Channel Beam
Concrete
Length
145 ft
5 main spans
Daily traffic
1,521
2018 count
Owner
County
County Highway Agency

About this bridge

CR71-GRAHAM Rd. over Two Prairie Bayou is a concrete channel beam carrying CR71-GRAHAM Rd. over Two Prairie Bayou in Lonoke County, Arkansas. It was built in 1987, so it is 38 years old, younger 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 1,521 vehicles a day, roughly 1% of them trucks, projected to reach 479 by 2006. The structure is 145 ft (44.2 m) long and 31 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesCR71-GRAHAM Rd.
CrossesTwo Prairie Bayou
Location3.1 MI West SH 89
RouteCounty Highway 71
CountyLonoke County
StateArkansas
Coordinates34.86607, -92.03631
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 protection7 GoodSome minor problems.
Last inspectionSeptember 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum 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 typeChannel Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans5
Design loadHS 20
Structure length145 ft (44.2 m)
Longest span31 ft (9.4 m)
Deck width31 ft (9.4 m)
Roadway width28 ft (8.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,521 (2018)
Projected traffic479 by 2006
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 CR71-GRAHAM Rd. over Two Prairie Bayou built?

It was built in 1987, making it 38 years old in 2025.

What condition is CR71-GRAHAM Rd. over Two 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 September 2022.

How much traffic does CR71-GRAHAM Rd. over Two Prairie Bayou carry?

About 1,521 vehicles per day (2018 count), of which roughly 1% are trucks.

How long is CR71-GRAHAM Rd. over Two Prairie Bayou?

The structure is 145 ft (44.2 m) long with a longest span of 31 ft (9.4 m) and a deck 31 ft wide.

Who owns CR71-GRAHAM Rd. over Two Prairie Bayou?

It is owned by the County Highway Agency.