US Bridges

SH 13 09/0 20.42 over Bayou Two Prairie

Good

Lonoke County, Arkansas · 0.7MI So JCT US 70 · Structure no. 000000000005663

Built
1978
47 years old
Condition
Good
inspected August 2023
Type
Slab
Concrete
Length
245 ft
7 main spans
Daily traffic
1,100
2018 count
Owner
State
State Highway Agency

About this bridge

SH 13 09/0 20.42 over Bayou Two Prairie is a concrete slab carrying SH 13 09/0 20.42 over Bayou Two Prairie in Lonoke County, Arkansas. It was built in 1978, so it is 47 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 1,100 vehicles a day, roughly 1% of them trucks, projected to reach 1,160 by 2028. The structure is 245 ft (74.7 m) long and 31 ft wide. If it were closed, the detour would be 14.3 mi (23 km).

CarriesSH 13 09/0 20.42
CrossesBayou Two Prairie
Location0.7MI So JCT US 70
RouteState Highway 13
Coordinates34.76926, -91.7515
Functional classRural Major Collector

Condition and inspection

Good

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 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 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 rating49.1 US tons
Inventory rating29 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans7
Design loadH 20
Structure length245 ft (74.7 m)
Longest span35 ft (10.7 m)
Deck width31 ft (9.4 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,100 (2018)
Projected traffic1,160 by 2028
Trucks1%
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 13 09/0 20.42 over Bayou Two Prairie built?

It was built in 1978, making it 47 years old in 2025.

What condition is SH 13 09/0 20.42 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 August 2023.

How much traffic does SH 13 09/0 20.42 over Bayou Two Prairie carry?

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

How long is SH 13 09/0 20.42 over Bayou Two Prairie?

The structure is 245 ft (74.7 m) long with a longest span of 35 ft (10.7 m) and a deck 31 ft wide.

Who owns SH 13 09/0 20.42 over Bayou Two Prairie?

It is owned by the State Highway Agency.