US Bridges

US79 S-1 Lm 10.24 over Bayou Two Prairie

Good

Columbia County, Arkansas · 4.5 MI N of Brister · Structure no. 0000000000M1443

Built
1930
95 years old
Condition
Good
inspected January 2024
Type
Culvert
Concrete
Length
22 ft
2 main spans
Daily traffic
2,700
2018 count
Owner
State
State Highway Agency

About this bridge

US79 S-1 Lm 10.24 over Bayou Two Prairie is a concrete culvert carrying US79 S-1 Lm 10.24 over Bayou Two Prairie in Columbia County, Arkansas. It was built in 1930, so it is 95 years old, older 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 2,700 vehicles a day, roughly 12% of them trucks, projected to reach 3,604 by 2027. The structure is 22 ft (6.7 m) long and 43 ft wide. If it were closed, the detour would be 8.7 mi (14 km).

CarriesUS79 S-1 Lm 10.24
CrossesBayou Two Prairie
Location4.5 MI N of Brister
RouteU.S. Route 79
Coordinates33.15738, -93.19768
Functional classRural Minor Arterial

Condition and inspection

Good

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

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating39 US tons
Inventory rating24 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadH 15
Structure length22 ft (6.7 m)
Longest span10 ft (3 m)
Deck width43 ft (13.1 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,700 (2018)
Projected traffic3,604 by 2027
Trucks12%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.7 mi (14 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 US79 S-1 Lm 10.24 over Bayou Two Prairie built?

It was built in 1930, making it 95 years old in 2025.

What condition is US79 S-1 Lm 10.24 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 January 2024.

How much traffic does US79 S-1 Lm 10.24 over Bayou Two Prairie carry?

About 2,700 vehicles per day (2018 count), of which roughly 12% are trucks.

How long is US79 S-1 Lm 10.24 over Bayou Two Prairie?

The structure is 22 ft (6.7 m) long with a longest span of 10 ft (3 m) and a deck 43 ft wide.

Who owns US79 S-1 Lm 10.24 over Bayou Two Prairie?

It is owned by the State Highway Agency.